00877nam a2200217Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 0-7923-1914-1 IIA Library 063:52 IAU-21B International Astronomical Union General Assembly 21st Argentina 1991 July 23 - Aug. 1 18073 XXIst General assembly  proceedings of the 21st General Assembly, Buenos Aires, Argentina, July 23 - August 1, 1991 edited by Jacqueline Bergeron Dordrecht Kluwer Academic 1992 xv, 366p. Transactions of the International Astronomical Union; v. X Astronomy and Astrophysics Thesaurus IAU General Assembly IAU Transactions 5483 Bergeron, Jacqueline ed 18074 BK 10597 10597 0 0 0 0 BAN BAN GEN 1993-03-01 0 063:52/ IAU-21B 11508 2021-11-05 1993-03-01 BK