01064nam a2200253Ia 4500003000900000008004100009020001800050040001600068080002200084111011400106245020200220260004200422300001400464490002600478650004100504650001400545650003400559650003000593700003000623710003700653942000700690999001500697952009800712IN-BaIIA211028s9999 xx 000 0 eng d a90-277-0456-2 cIIA Library a082.2:52bIAU-S63 aInternational Astronomical Union Symposium (Copernicus Symposium)n2ndcCracow, Polandd1973 Sep. 10-1298428 0aConfrontation of cosmological theories with observational databproceedings of the IAU symposium (Copernicus symposium) no. 63, held in Cracow, Poland, September 10-12, 1973cedited by M.S. Longair aDordrechtbD. Reidel Publishingc1974 axi, 382p. aIAU Symposium; no. 63 aAstronomy and Astrophysics Thesaurus aCosmology aObservational cosmology98429 aObserving techniques9822 aLongair, M. S., ed.98430 aInternational Astronomical Union cBK c4744d4744 00104070aBANbBANcGENd1975-08-14l0o082.2:52/ IAU-S63p5305r2021-11-05w1975-08-14yBK