REFERENCES

Planetary system group

References 1989

  1. Benest D., Froeschlé Cl. Rickman H.: Evolution physique et dynamique des cométes, La Recherche 20, 1174-1183

  2. Froeschlé Cl., Rickman H.: Chaotic dynamics and Monte Carlo modeling, Celestial mechanics 45, 93-98

  3. Hahn G., Magnusson P., et al. (13 authors): Physical studies of Apollo-Amor asteroids: UBVRI photometry of 1036 Ganymed and 1627 Ivar, Icarus 78, 363-381

  4. Lagerkvist C.-I., Magnusson P., Williams I.P., Buontempo M.E., Gibbs P., Morrison L.V.: Physical Studies of Asteroids. XIX. Phase relations and composite lightcurves obtained with the Carlsberg Meridian Circle, Astronomy & Astrophysics Supplement Series 78, 519-532

  5. Lagerkvist C.-I., Barucci M.A., Capria M.T., Fulchignoni M., Magnusson P., Zappalà V.: Asteroid Photometric Catalogue, First Update, Consiglio Nazionale Delle Ricerche, Italy

  6. Lagerkvist C.-I., Oja T.: Asteroid Positions, Minor Planet Circular, 14247-14248, 14407, 14530

  7. Lagerkvist C.-I., Petterson B., Lyngå G.: Asteroid Positions, Minor Planet Circular, 14425-14426

  8. Lagerkvist C.-I., Harris A.W., Zappalà V.: Asteroid lightcurve parameters, in Asteroids II, (R.P. Binzel, T. Gehrels, M. Matthews, eds.), University of Arizona, 1162-1179

  9. Magnusson P.: Pole determinations of asteroids, in Asteroids II, (R.P. Binzel, T. Gehrels, M. Matthews, eds.), University of Arizona, 1180-1190

  10. Magnusson P., Barucci M.A., Drummond J.D., Lumme K., Ostro S.J., Surdej J., Taylor R.C., Zappalà V.: Determination of pole orientations and shapes of asteroids, in Asteroids II, (R.P. Binzel, T. Gehrels, M. Matthews, eds.), University of Arizona, 66-92

  11. Milani A., Carpino M., Hahn G., Nobili A.M.: Project SPACEGUARD: Dynamics of planet-crossing asteroids. Classes of orbital behaviour, Icarus 78, 212-269

  12. Rickman H.: The nucleus of comet Halley: Surface structure, mean density, gas and dust formation, Advances in Space Research 9 (3), 59-71

  13. Weissman P.R., A'Hearn M.F., McFadden L.A., Rickman H.: Evolution of comets into asteroids, in Asteroids II, (R.P. Binzel, T. Gehrels, M.S. Matthews, eds.), University of Arizona, 880-920

References 1990

  1. Dahlgren M., Fitzsimmons A., Williams I.P., Lagerkvist C.-I.: CCD Photometry of 2060 Chiron, in Proceedings of the Nordic-Baltic Astronomy Meeting, (C.-I. Lagerkvist, D. Kiselman, M. Lindgren, eds.), 83-84

  2. Debehogne H., Lagerkvist C.-I.: Positions of Asteroids Obtained with the GPO Telescope at ESO, Chile, During February and August 1986, Acta Astronomica 39, 277-299

  3. Debehogne H., Lagerkvist C.-I.: Positions of Asteroids Obtained with the GPO Telescope at ESO, Chile, During February and March 1987, Acta Astronomica 40, 199-202

  4. Debehogne H., Lagerkvist C.-I., Magnusson P., Hahn G.: Physical Studies of Asteroids XX. Photoelectric Photometry of Asteroids, in Asteroids, Comets, Meteors III, (C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds.), 45-48

  5. Festou M., Rickman H., Kamél L.: Using Comet Light Curve Asymmetries to Predict Comet Returns, Nature 345, 235-238

  6. Festou M., Rickman H., Kamél L.: The Origin of Nongravitational Forces in Comets, in Asteroids, Comets, Meteors III, (C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds.), 313-316

  7. Fitzsimmons A., Williams I.P., Lagerkvist C.-I., Dahlgren M.: The Spectrum of Six Asteroids Obtained at La Palma, Monthly Notices of the Royal astronomical Society 247, Short communications 26p-29p

  8. Gahm G.F., Gebeyehu M., Lindgren M., Magnusson P., Modigh P., Nordh H.L.: The clearing of dust by a possible supernova remnant in Lupus, Astronomy & Astrophysics 228, 477-479

  9. Green D.W.E., Rickman H., Porter A.C., Meech K.J.: The Strange Periodic Comet Machholz, Science 247, 1063-1067

  10. Hahn G., Lagerkvist C.-I., Lindgren M., Dahlgren M.: Numerical Integration Studies of Asteroids in the 5:2 Mean Motion Resonance with Jupiter, in Asteroids, Comets, Meteors III, (C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds.), 95-98

  11. Kamél L.: The Comet Light Curve Catalogue/Atlas - a presentation, in Asteroids, Comets, Meteors III, (C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds.), 363-366

  12. Lagerkvist C.-I., Magnusson P.: Analysis of Asteroid Lightcurves II. Absolute Magnitudes and Slope Parameters in a Generalized HG-System, Astronomy & Astrophysics Supplement Series 86, 119-165

  13. Magnusson P.: Spin vectors of 22 large asteroids, Icarus 85, 229-240

  14. Magnusson P., Lagerkvist C.-I.: Analysis of Asteroid Lightcurves I. Data Base and basic Reduction, Astronomy & Astrophysics Supplement Series 86, 45-51

  15. Rickman H.: Origin and Evolution of the Jupiter Family, in in Proceedings of the Nordic-Baltic Astronomy Meeting, (C.-I. Lagerkvist, D. Kiselman, M. Lindgren, eds.), 257-273

  16. Rickman H., Fernández J.A., Gustafsson B.Å.S.: Formation of Stable Dust Mantles on Short-Period Comet Nuclei, Astronomy & Astrophysics 237, 524-535
  17. Rickman H., Gustafsson B.Å.S., Fernández J.A.: Model Calculations of Mantle Formation on Comet Nuclei, in Asteroids, Comets, Meteors III, (C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds.), 423-426

  18. Rickman H., Huebner W.F.: Comet Formation and Evolution, Chap. 7 of Physics and Chemistry of Comets, Springer Verlag, 245-303

  19. Skoglöv E., Lagerkvist C.-I., Magnusson P.: Phase Studies obtained from Data in the Asteroid Photometric Catalogue, in Asteroids, Comets, Meteors III, (C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds.), 183-186

  20. Tancredi G.: The capture of P/Helin-Roman-Crockett by Jupiter, in Nouveaux Développements en Planétologie Dynamique, (D. Benest, et al., eds.), 273-279

  21. Tancredi G., Lindgren M., Rickman H.: Temporary Satellite Capture and Orbital Evolution of Comet P/Helin-Roman-Crockett, Astronomy & Astrophysics 239, 375-380

References 1991

  1. Bailey M.E. Chambers J.E., Hahn G.: Origin of sungrazers: a frequent cometary end-state, Astronomy & Astrophysics 257, 315-322

  2. Capria M.T., Barucci M.A., Dahlgren M., Fulchignoni M., Lagerkvist C.-I., Magnusson P.: Asteroid photometric database, Minor Planet Bulletin 19, 12-13

  3. Dahlgren M., Fitzsimmons A., Lagerkvist C.-I., Williams I.P.: Differential CCD Photometry of Distant Asteroids, Monthly Notices of the Royal astronomical Society 250, 115-118

  4. Erikson A., Cutispoto G., Debehogne H., Hahn G., Lagerkvist C.-I., Lindgren M., Magnusson P.: Physical Studies of Asteroids XXIII. Photometric Observations of the Asteroids 6, 32, 196, 243, 416, 532 and 1580, Astronomy & Astrophysics Supplement Series 91, 259-264

  5. Fitzsimmons A., Williams I.P., Lagerkvist C.-I., Dahlgren M.: The Origin of the Dinosaur Killers. Irish Astronomical Journal 20, 26-28

  6. Hahn G., Lagerkvist C.-I., Lindgren M., Dahlgren M.: Orbital Evolution Studies of Asteroids Near the 5:2 Mean Motion Resonance with Jupiter, Astronomy & Astrophysics 246, 603-618

  7. Kamél L.: The Comet Light Curve Catalogue/Atlas. Part I. The compiled observations, Uppsala University

  8. Kamél L.: The comet light curve atlas. (The comet light curve catalogue/atlas. Part III. The atlas), Astronomy & Astrophysics Supplement Series 92, 85-149

  9. Kamél L.: The Evolution of P/Encke\'s Light Curve: No secular fading, a Vanishing Perihelion Asymmetry, Icarus 93, 226-245

  10. Lagerkvist C.-I.: The Orbiting Planetary Telescope, in Proceedings from Nordic Society for Space Research, (B.N. Andersen, ed.), 123-125

  11. Lagerkvist C.-I., Barucci M.A., Capria M.T., Dahlgren M., Erikson A., Fulchignoni M., Magnusson P.: Asteroid Photometric Catalogue, Second Update, Uppsala Astronomical Observatory

  12. Lagerkvist C.-I., Heudier J.-L., Wahlberg P.-J.: Minor Planet Circular 20373-20376

  13. Lagerkvist C.-I., Oja T.: Photoelectric Photometry of 4 Vesta, Minor Planet Bulletin 18, No 3, 25-27

  14. Magnusson P.: Analysis of asteroid lightcurves III. Albedo variegation, Astronomy & Astrophysics 243, 512-520

  15. Magnusson P., Lagerkvist C.-I.: Physical Studies of Asteroids XXII. Photoelectric Photometry of Asteroids 34, 98, 115, 174, 270, 389, 419 and 804, Astronomy & Astrophysics Supplement Series 87, 269-275

  16. Michalowski T., Velichko F.P., Lindgren M., Oja T., Lagerkvist C.-I.., Magnusson P.: The spin vector of asteroid 10 Hygiea, Astronomy & Astrophysics Supplement Series 91, 53-59

  17. Rickman H.: The Mass of the Nucleus of Comet Halley as Estimated from Nongravitational Effects on the Orbital Motion, in Comet Halley 1986: World-Wide Investigations, Results and Interpretations, Vol. 2, (J.W. Mason, ed.), Library of Space Science and Spacr Technology, 163-172

  18. Rickman H.: The Thermal History and Structure of Cometary Nuclei, in Comets in the Post-Halley Era, (R.L. Newburn Jr., M. Neugebauer, J. Rahe, eds.), Vol. 2, 733-760

  19. Rickman H.: On the Properties of Comets, Asteroids, and Terrestrial Planet Impactors, Advances in Space Research 11 (6), 7-18

  20. Rickman H., Froeschlé C., Kamél L., Festou M.: Nongravitational Effects and the Aging of Periodic Comets, Astronomical Journal 102, 1446-1463

  21. Tancredi G., Fernández J.A.: The Angular Momentum of the Pluto-Charon System: Considerations about its Origin, Icarus 93, 298-315

  22. Tancredi G., Gallardo T: A comparison of two pole determination methods for asteroids, Astronomy & Astrophysics 242, 279-285

  23. West R.M., Marsden B.G., Rickman H., Arlot J.-E., Wasserman L.H.: Commission 20: Positions and Motions of Minor Planets, Comets and Satellites. Report for the Period July 1987 - June 1990, in IAU Transactions XXIA, Reports on Astronomy, (D. McNally, ed.), 187-204

References 1992

  1. Bailey M.E., Chambers J.E., Hahn G., Scotti J., Tancredi G.: Transfer probabilities between Jupiter and Saturn-family orbits: applications to 1992 AD = 5145, in Observations and Physical Properties of Small Solar System Bodies, (Liège), (A. Brahic, J.-C. Gerard, J. Surdej, eds.), 285-287

  2. Bailey M.E., Hahn G.: Orbital evolution of 1991 DA: implications for Near-Earth asteroids, in Periodic Comets, (J.A. Fernández, H. Rickman, eds.), Universidad de la República, Montevideo, 13-24

  3. Dahlgren M., Hahn G., Lagerkvist C.-I., Lundström M.: The Orbital Evolution of Real Asteroids near the 4:1 Mean-Motion Resonance with Jupiter, in Proceedings from Asteroids, Comets, Meteors 1991, (A. Harris, E. Bowell, eds.), 145-148

  4. Fernández J.A., Rickman H., Kamél L.: The Population Size and Distribution of Perihelion Distances of the Jupiter Family, in Periodic Comets, (J.A. Fernández and H. Rickman, eds.), 143-157

  5. Fitzsimmons A., Dahlgren M., Lagerkvist C.-I., Magnusson P., Williams I.P.: Spectroscopy of D-type Asteroids, in Proceedings from Asteroids, Comets, Meteors 1991, (A. Harris, E. Bowell, eds.), 191-194

  6. Gonczi R., Rickman H., Froeschlé C.: On the Relationship between Comet\hfill\break P/Machholz and the Quadrantid Meteor Stream, in Chaos, Resonance and Collective Dynamical Phenomena in the Solar System, (S. Ferraz-Mello, ed.), 325-327

  7. Gonczi R., Rickman H., Froeschlé C.: The Connection between Comet P/Machholz and the Quadrantid Meteor Stream, Monthly Notices of the Royal astronomical Society 254, 627-634

  8. Hahn G.: A catalogue of orbital characteristics for near-Earth asteroids during 1900 - 2100, in Observations and Physical Properties of Small Solar System Bodies, (Liège), (A. Brahic, J.-C. Gerard, J. Surdej, eds.), 331-333

  9. Hahn G., Bailey M.E.: Long-term evolution of 1991 DA: a dynamically evolved Halley-type comet, in Asteroids Comets Meteors 1991, (A. Harris, E. Bowell, eds.), Lunar and Planetary Institute, 227-230

  10. Hahn G., Maury A.: Project EUNEASO, an initiative for a European Near-Earth Asteroid Search Observatory, in Observations and Physical Properties of Small Solar System Bodies, (Liège), (A. Brahic, J.-C. Gerard, J. Surdej, eds.), 239-242 and 249-250

  11. Lagerkvist C.-I., Barucci M.A.: Asteroids: Distributions, Morphologies, Origins and Evolutions, Surveys in Geophysics 13, 165-208

  12. Lagerkvist C.-I., Barucci M.A., Capria M.T., Dahlgren M., Erikson A., Fulchignoni M., Magnusson P.: Asteroid Photometric Catalogue, Second Update, Uppsala Astronomical Observatory

  13. Lagerkvist C.-I., Erikson A., Oja T.: Minor Planet Circular 19575

  14. Lagerkvist C.-I., Magnusson P., Debehogne H., Hoffmann M., Erikson A., De Campos A., Cutispoto G.: Physical Studies of Asteroids XXV: Photoelectric photometry of asteroids obtained at ESO and Hoher List Observatory, Astronomy & Astrophysics Supplement Series 95, 461-470

  15. Lagerkvist C.-I., Magnusson P., Williams I.P., Buontempo M.E., Gibbs P., Morrison L.V.: Physical Studies of Asteroids XXIV. Phase Relations for 48 Asteroids Obtained with the Carlsberg Meridian Circle, Astronomy & Astrophysics Supplement Series 94, 43-71

  16. Lagerkvist C.-I., Oja T., Pohjolainen S., Erikson A.: Photoelectric photometry of 10 Hygiea, Minor Planet Bulletin 19, 29-30

  17. Lindgren M.: Dynamical timescales in the Jupiter family, in Proceedings from Asteroids, Comets, Meteors 1991, (E. Bowell, A. Harris, eds.), 371-374

  18. Magnusson P., Barucci M.A., Capria M.T., Dahlgren M., Fulchignoni M., Lagerkvist C.-I.: Philosophy and updating of the Asteroid Photometric Catalogue, in Proceedings from Asteroids, Comets, Meteors 1991, (A. Harris, E. Bowell, eds.), 379-380

  19. Reynoldson G., Thacker P., Erikson A., Oja T.: Photoelectric photometry of asteroid 4 Vesta, Minor Planet Bulletin 20, 11-13

  20. Rickman H.: Cometary Nuclei - Recent Gas Flux Modelling and Applications, Annales Geophysicae 10, 157-168

  21. Rickman H.: Structure and Evolution of the Jupiter Family, Celestial Mechanics 54, 63-69

  22. Rickman H.: Physico-Dynamical Evolution of Aging Comets, in Interrelations between Physics and Dynamics for Minor Bodies in the Solar System, Goutelas 1991, (D. Benest, C. Froeschlé, eds.), 197-263

  23. Rickman H., Bailey M.E., Hahn G., Tancredi G.: Monte Carlo Simulations of Jupiter Family Evolution, in Periodic Comets, (J.A. Fernández, H. Rickman, eds.), Universidad de la República, Montevideo, 55-64

  24. Rickman H., Festou M.C., Tancredi G., Kamél L.: Twentieth Century Light Curves and the Nucleus of Comet P/Tempel 2, in Asteroids, Comets, Meteors 1991, (A.W. Harris and E. Bowell, eds.), 509-512

  25. Rickman H., Tancredi G.: Near-aphelion activity in Jupiter family comets, in Workshop on the Activity of Distant Comets, (W.F. Huebner, et al., eds.), 182

  26. Tancredi G., Lindgren M.: The vicinity of Jupiter: a region to look for comets, in Proceedings from Asteroids, Comets, Meteors 1991, (E. Bowell, A. Harris, eds.), 601-604

  27. Tancredi G., Rickman H.: The Evolution of Jupiter Family Comets over 2000 Years, in IAU Symposium 152, Chaos, Resonance and Collective Dynamical Phenomena in the Solar System, (S. Ferraz-Mello, ed.), 269-274

References 1993

  1. Belskaya I.N., Dovgopol A.N., Erikson A., Lagerkvist C.-I., Oja T.: Physical studies of asteroids. XXVII. Photoelectric photometry of asteroids 14 Irene, 54 Alexandra and 56 Melete, Astronomy & Astrophysics Supplement Series 101, 507-511

  2. Binzel R.P., Slivan S.M., Magnusson P., Wisniewski W.Z., Drummond J., Lumme K., Barucci M.A., Dotto E., Angeli C., Lazzaro D., Mottola S., Gonano-Beurer M., Michalowski T., De Angelis G., Tholen D.J., Di Martino M., Hoffmann M., Geyer E.H., Velichko F.: Asteroid 243 Ida: Ground-Based Photometry and Pre-Galileo Physical Model, Icarus 105, 310-325

  3. Erikson A., Magnusson P.: Pole Determinations of Asteroids, Icarus 103, 62-66

  4. Festou M.C., Rickman H., West, R.M.: Comets. I. Concepts and Observations, Astronomy & Astrophysics Review 4, 363-447

  5. Hahn G., Lagerkvist C.-I.., Lindblad, B.A.: A stability study of asteroid families near the 3:1 and 5:2 resonances with Jupiter, Celestial Mechanics 56, 131-141

  6. Lagerkvist C.-I., Fitzsimmons A., Magnusson P., Williams I.P.: Investigations of D-type asteroids, Monthly Notices of the Royal astronomical Society 260, 679-680

  7. Lagerkvist C.-I., Magnusson P., Belskaya, I., Erikson A., Dahlgren M., Barucci M.A.: Asteroid Photometric Catalogue, Third Update, Uppsala Universitet, Reprocentralen HSC, Uppsala

  8. Lundström M., Dahlgren M., Hahn G., Lagerkvist C.-I.: Orbital evolution of asteroids near the 4:1 mean motion resonance with Jupiter, in Proceedings of the Second International Workshop on Position Astronomy and Celestial Mechanics, (G. Lopez, A. Ortiz Gil, J. Chernetenko, V. Yershov, eds.), Observatorio Astronomico, Universitat de Velencia, 31-62

  9. McDonnell J.A.M., McBride N., Beard R., Bussoletti E., Colangeli L., Eberhardt P., Firth J.G., Grard R., Green S.F., Greenberg J.M., Grün E., Hughes D.W., Keller H.U., Kissel J., Lindblad B.A., Mandeville J.-C., Perry C.H., Rembor K., Rickman H., Schwehm G.H., Turner R.F., Wallis M.K., Zarnecki J.C.: Dust Impact Detection System: first results from the Giotto Extended Mission encounter with Comet Grigg-Skjellerup, Nature 362, 732-734

  10. Rickman H.: Dynamics of Meteoroid Parent Bodies: A Conceptual History, in Proceedings of the International Astronomical Symposium on Meteoroids and their Parent Bodies, (J. \v{S}tohl and I.P. Williams, eds.), 83-92

  11. Schober H.-J., Erikson A., Hahn G., Lagerkvist C.-I.: Physical studies of asteroids. XXVI: Rotation periods and photoelectric photometry of asteroids 323, 350, 582, 1021 and 1866, Astronomy & Astrophysics Supplement Series 101, 499-505

References 1994

  1. Festou M.C., Rickman H., West R.M.: Comets. II. Models, Evolution, Origin and Outlook, Astronomy & Astrophysics Review 5, 37-163

  2. Fitzsimmons A., Dahlgren M., Lagerkvist C.-I., Magnusson P., Williams I.P.: A Spectroscopic Survey of D-Type Asteroids, Astronomy & Astrophysics 282, 634-642

  3. Lagerkvist C.-I., Hernius, O., Lindgren M., Tancredi G.: Asteroid Positions, Minor Planet Circular 23435-23477, 23619-23633, 23829-23842

  4. Lagerkvist C.-I., Lodén K.: Planeter, Stjärnor, Galaxer (Planets, Stars, Galaxies), Liber utbildning, Stockholm, 224pp

  5. Magnusson P., Lagerkvist C.-I., Dahlgren M., Erikson A., Barucci M.A., Belskaya I., Capria M.T.: The Uppsala Asteroid Data Base, In Asteroids, Comets, Meteors 1993, IAU Symposium 160, (A. Milani, M. Di Martino, A. Cellino, eds.), 471-476

  6. Piironen J., Bowell E., Erikson A., Magnusson P.: Photometry of eleven asteroids at smal phase angles, Astronomy & Astrophysics Supplement Series 106, 587-595

  7. Pittich E., Rickman H.: Cometary Splitting - A Source for the Jupiter Family?, Astronomy & Astrophysics 281, 579-587

  8. Rickman H.: Cometary Nuclei, in Proceedings of Asteroids, Comets, Meteors 1993, IAU Symposium 160, (A. Milani, et al., eds.), 297-312

  9. Rickman H.: IAU Commission 20: Positions and Motions of Minor Planets, Comets and Satellites. Report on activity 1991 - 1994. III. Comets, Transactions of the IAU Vol. XXIIA, (J. Bergeron, ed.), 189-192

  10. Schober H.-J., Erikson A., Hahn G., Lagerkvist C.-I., Albrecht R., Ornig W., Schroll A., Stadler M.: Physical Studies of Asteroids XXVIII: Lightcurves and photoelectric photometry of asteroids 2, 14, 51, 105, 181, 238, 258, 369, 377, 416, 487, 626, 679, 1048 and 2183, Astronomy & Astrophysics Supplement Series 105, 281-300

  11. Szutowicz S., Rickman H.: Investigation of the Nongravitational Motion of Comet P/d'Arrest Using Its Light Curve, in Proceedings of the International Meeting on Dynamics and Astrometry of Natural and Artificial Celestial Bodies, (I. Wytrzyszczak, ed.), 425-426

  12. Tancredi G., Lindgren M.: Searching for comets encountering Jupiter: First campaign, Icarus 107, 311-321

  13. Tancredi G., Rickman H., Greenberg, J.M.: Thermochemistry of Cometary Nuclei. I. The Jupiter Family Case, Astronomy & Astrophysics 286, 659-682

References 1995

  1. Banaszkiewicz M., Rickman H.: Modeling of Cometary Evolution by Kinetic Theory: Method and First Results, in Proceedings of the International Meeting on Small Bodies of the Solar System and their Interactions with the Planets, (H. Rickman, M.J. Valtonen, eds.), submitted

  2. Dahlgren M., Lagerkvist C.-I.: A Study of Hilda Asteroids. I. CCD Spectroscopy of Hilda Asteroids, Astronomy & Astrophysics, in press

  3. Jorda L., Rickman H.: Comet P/Wirtanen, Summary of Observational Data, Planetary and Space Science, submitted

  4. Lagerkvist C.-I., Claesson Å: Spin Rates of Asteroids, In Small Bodies in the Solar System and their Interactions with the Planets, (H. Rickman, M. Valtonen, eds.), in press

  5. Lagerkvist C.-I., Hernius, O., Lindgren M., Tancredi G.: The Uppsala-ESO Survey of Asteroids and Comets - UESAC. In Proceedings from the Third International Workshop on Positional Astronomy and Celestial Mechanics, (Lopez Garcia, et al., eds.), Valencia, in press

  6. Lagerkvist C.-I., Hernius, O., Lindgren M., Tancredi G.: UESAC - The Uppsala-ESO Survey of Asteroids and Comets. In Small Bodies in the Solar System and their Interactions with the Planets, (H. Rickman, M. Valtonen, eds.), in press

  7. Velichko F.P., Michalowski T., Erikson A., Krugly Yu.N., Dahlgren M., Kalashnikov A.V., Lagerkvist C.-I.: Light curves, magnitude-phase dependence and spin vestor of asteroid 675 Ludmilla, Astronomy & Astrophysics Supplement Series 110, 125-129

  8. Zheng J.Q., Valtonen M.J., Mikkola S., Korpi M., Rickman H.: Orbits of Short Period Comets Captured from the Oort Cloud, in Proceedings of the International Meeting on Small Bodies of the Solar System and their Interactions with the Planets, (H. Rickman, M.J. Valtonen, eds.), Kluwer, in press

For references from 1996 and onward, please enter the individual authors on
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