Bar83 Barucci, M.A. (1983). Astron. Astrophys. Suppl. 54, 471-473. Bar+85 Barucci, M.A., Fulchignoni, M., Burchi, R. and D'Ambrosio, V. (1985). Icarus 61, 151-162. Bar+86 Barucci, M.A., D. Bockelee-Morvan, A. Brahic, S. Clairemidi, J. Lecacheux and F. Roques (1986). Astron. Astrophys. 163, 261-268. Bey53 Beyer, M. (1953). Astron. Nachr. 281, 121-130. Bin84 Binzel, R.P. (1984). Icarus 59, 456-461. Bin87 Binzel, R.P. (1987). Icarus 72, 135-208. Bin+87 Binzel, R.P., A.L. Cochran, E.S. Barker, D.J. Tholen, A. Barucci, M. Di Martino, R. Greenberg, S.J. Weidenschilling, C.R. Chapman and D.R. Davis (1987). Icarus 71, 148-158. Bur+83 Burchi, R. and Milano, L. (1983). Moon Planets 28, 17-21. Bur+85 Burchi, R., D'Ambrosio, V., Tempesti, P. and Lanciano, N. (1985). Astron. Astrophys. Suppl. 60, 9-15. Cai56 Cailliate, C. (1956). Publ. Observ. Lyon 3, fasc. 28. Cai60 Cailliate, C. (1960). Bull. Astronomique XXIII, fasc. III. Cel+87 Cellino, A., V. Zappala, M. Di Martino, P. Farinella and P. Paulichi (1987). Accepted for publication in Icarus. Cha+62 Chang, Y.C. and Chang, C.-S. (1962). Acta Astron. Sin. 10, 101-111. Cha+63 Chang, Y.C. and Chang, C.-S. (1963). Acta Astron. Sin. 11, 139-149. Che+77 Chen, D.-H., Z.-X. Wu and X.-Y. Yang (1977). Chinese Astron. 1, 321-329. Dr+85a Drummond, J.D., W.J. Cocke, E.K. Hege and P.A. Strittmatter (1985a). Icarus 61, 132-151. Dr+85b Drummond, J.D., E.K. Hege, W.J. Cocke, J.D. Freeman and J.C. Christou (1985b). Icarus 61, 232-240. Dru+86 Drummond, J.D. and E.K. Hege (1986). Icarus 67, 251-263. Dr+88a Drummond, J.D., A. Eckart and E.K. Hege (1988). Icarus 73, 1-14. Dr+88b Drummond, J.D., S.J. Weidenschilling, C.R. Chapman and D.R. Davies (1988). Submitted to Icarus. Dr+88c Drummond, J.D. and E.K. Hege (1988). Speckle Interferometry of Asteroids - chapter in Asteroids II book. Dun74 Dunlap, J.L. (1974). Astron. J. 79, 324-332. Dun76 Dunlap, J.L. (1976). Icarus 28, 69-78. Dun+69 Dunlap, J.L. and Gehrels, T. (1969). Astron. J. 74, 796-804. Dun+73 Dunlap, J.L., Gehrels, T. and Howes, M.L. (1973). Astron. J. 78, 491-501. Geh67 Gehrels, T. (1967). Astron. J. 72, 929-938. Geh+62 Gehrels, T. and Owings, D. (1962). Astrophys. J. 135, 906-924. Geh+70 Gehrels, T., Roemer, E., Taylor, R.C. and Zellner, B.H. (1970). Astron. J. 75, 186-195. Geh+77 Gehrels, T. and Taylor, R.C. (1977). Astron. J. 82, 229-237. Gro+54 Groeneveld, I. and Kuiper, G.P. (1954). Astrophys. J. 120, 200-220. Han77 Hansen, O. (1977). Icarus 32, 458-460. Har+79 Harris, A.W. and J.A. Burns (1979). Icarus 40, 115-144. Har+84 Harris, A.W., M. Carlsson, J.W. Young and C.-I. Lagerkvist (1984). Icarus 58, 377-382. Har+87 Harris, A.W., J.W. Young, J. Goguen, H. Hammel, G. Hahn, E.F. Tedesco and D. Tholen (1987). Icarus 70, 246-256. Hau58 Haupt, H. (1958). Mitt. Sonnenobs. Kanzelhohe 14, 303-???. Hol+87 Hollis, A.J., C.S. Bembrick, M. Dumont and R. Miles (1987). J. Brit. astron. Assoc. 97, 220-223. HG+58 van Houten-Groeneveld, I. and van Houten, C.J. (1958). Astrophys. J. 127, 253-272. Joh+83 Johnson, P.E., J.C. Kemp, M.J. Lebofsky and G.H. Rieke (1983). Icarus 56, 381-392. Kos86 Koshkin, N.I. (1986) Kinematics and Physics of Celestial Bodies 2, 44-50. Kru+36 Krug, W. and G. Schrutka-Rechtenstamm (1936). Z. Astrophys. 13, 1-12. Lam85 Lambert, J.V. (1985). Ph.D. Thesis, New Mexico State Univ., May 1985. Lum+81 Lumme, K., M. Poutanen and E. Bowell (1981) Bull. Amer. Astron. Soc. 13, 719. Lum+88 Lumme, K. and Karttunen, H. (1988). In prep. Lup+81 Lupishko, D.F., Velichko, F.P., Tupieva, F.A. and Chernova, G.P. (1981). Sov. Astron. Lett. 7, 241-243. Lup+83 Lupishko, D.F. and Belskaja, I.N. (1983). In Asteroids, Comets, Meteors (C.-I. Lagerkvist and H. Rickman, Eds.), pp. 55. Astronomiska observatoriet, Uppsala, Sweden. Lup+85 Lupishko, D.F., I.N. Belskaja and F.P. Velishko (1985). Vestn. Kharkov Univ. 278, 51-56. Lup+86 Lupishko, D.F., F.P. Velichko and V.G. Shevchenko (1986). Kinematics and Physics of Celestial Bodies 2, 39-43. Lu+87a Lupishko, D.F. and F.P. Velichko (1987a). Kinematics and Physics of Celestial Bodies 3, 57-65. Lu+87b Lupishko, D.F., F.P. Velichko, V.V. Kazakov and V.G. Shevchenko (1987b). Kinematics and Physics of Celestial Bodies 3, 92-93. Lu+87c Lupishko, D.F., F.P. Velichko, I.N. Belskaja and V.G. Shevchenko (1987c) Kinematics and Physics of Celestial Bodies 5, 36-38. Mag83 Magnusson, P. (1983). In Asteroids, Comets, Meteors (C.-I. Lagerkvist and H. Rickman, Eds.), pp. 77-85. Astronomiska observatoriet, Uppsala, Sweden. Mag86 Magnusson, P. (1986). Icarus 68, 1-39. Mag88 Magnusson, P. (1988?). Submitted to Icarus. McC+84 McCheyne, R.S., Eaton, N., Green, S.F. and Meadows, A.J. (1984). Icarus 59, 286-295. McC+85 McCheyne, R.S., Eaton, N. and Meadows, A.J. (1985). Icarus 61, 443-460. Mil+76 Millis, R.L., Bowell, E. and Thompson, D.T. (1976). Icarus 28, 53-67. Mor77 Morrison, D. (1977). Icarus 31, 185-220. Ost85 Ostro, S.J. (1985). Publ. Astron. Soc. Pasific. 97, 877-884. Ost87 Ostro, S.J. (1987). In The Evolution of the Small Bodies of the Solar System, XCVIII Corso, Soc. Italiana di Fisica, Bologna, Italy. Pii+85 Piironen, J.O., M. Poutanen, M. Di Martino and V. Zappala (1985). Astron. Astrophys. Suppl. 61, 299-302. Pos+85 Pospieszalska-Surdej, A. and J. Surdej (1985). Astron. Astrophys. 149, 186-194. Pou+81 Poutanen, M., E. Bowell and K. Lumme (1981). Bull. Amer. Astron. Soc. 13, 725. Pou+87 Poutanen, M., ...(1987?). Submitted. Ros32 Rosenhagen, J. (1932). Mitt. Wien. Sternw. 1(2), 45-52. Sat76 Sather, R.E. (1976). Astron. J. 81, 67-73. Sca+75 Scaltriti, F. and Zappala, V. (1975). Astron. Astrophys. Suppl. 19, 249-255. Sc+76a Scaltriti, F. and Zappala, V. (1976a). Astron. Astrophys. Suppl. 23, 167-179. Sc+76b Scaltriti, F. and Zappala, V. (1976b). Icarus 28, 29-35. Sca+78 Scaltriti, F., Zappala, V. and Stanzel, R. (1978). Icarus 34, 93-98. Sch+76 Schroll, A., Haupt, H.F. and Maitzen, H.M. (1976). Icarus 27, 147-156. Sto40 Stobbe, J. (1940). Astron. Nachr. 270, 1-24. Sur+86 Surdej, J., A. Pospieszalska-Surdej, T. Michalowski and H.J. Schober (1986). Astron. Astrophys. 170, 167-173. Tay73 Taylor, R.C. (1973). Astron. J. 78, 1131-1139. Tay77 Taylor, R.C. (1977). Astron. J. 82, 441-444. Tay78 Taylor, R.C. (1978). Astron. J. 83, 201-204. Tay79 Taylor, R.C. (1979). In Asteroids (T. Gehrels, Ed.), pp 480-493. Tay85 Taylor, R.C. (1985). Icarus 61, 490-496. Tay+76 Taylor, R.C., T. Gehrels and R.C. Capen (1976). Astron. J. 81, 778-786. Tay+83 Taylor, R.C. and Tedesco, E.F. (1983). Icarus 54, 13-22. Tay+85 Taylor, R.C., S. Tapia and E.F. Tedesco (1985). Icarus 62, 298-304. Ta+87a Taylor, R.C., P.V. Birch, J. Drummond, A. Pospieszalska-Surdej and J. Surdej (1987a). Icarus 69, 354-369. Ta+87b Taylor, R.C., P.V. Birch, A. Pospieszalska-Surdej and J. Surdej (1987b). Submitted to Icarus. Ted+78 Tedesco, E.F., Drummond, J., Candy, M., Birch, P., Nikoloff, I. and Zellner, B.H. (1978). Icarus 35, 344-359. Ted+81 Tedesco, E.F. and Sather, R.E. (1981). Astron. J. 86, 1553-1558. Ted+85 Tedesco, E.F. and R.C. Taylor (1985). Icarus 61, 241-251. Tem+69 Tempesti, P. and Burchi, R. (1969). Mem. Soc. Astron. Ital. 40, 415. Uch+87 Uchida, K. and Goguen, J.D. (1987). Bull. Amer. Astron. Soc. 19, 842. Ves71 Vesely, C.D. (1971). In Physical studies of minor planets (T. Gehrels, Ed.), pp. 133-140. Ves+85 Vesely, C.D. and R.C. Taylor (1985). Icarus 64, 37-52. Wat37 Watson, F. (1937). Harvard Col. Observ. Circ. 419, 1-14. Zap+79 Zappala, V. and van Houten-Groeneveld, I. (1979). Icarus 40, 289-296. Zap+83 Zappala, V., F. Scaltriti and M. Di Martino (1983). Icarus 56, 325-344. You+85 Young, J.W. and A.W. Harris (1985). Icarus 64, 528-530. Zap+84 Zappala, V. and Z. Knezevic (1984). Icarus 59, 436-455. Za+86a Zappala, V. and Z. Knezevic (1986a). Icarus 65, 122-128. Za+86b Zappala, V. and M. Di Martino (1986b). Icarus 68, 40-54. Zes32 Zessewitsch, W. (1932). Astron. Nachr. 246, 441-450. Zho+82 Zhou X.-h. and Yang X.-y. (1982). Chin. Astron. Astrophys. 6, 57-59.