01011nam a2200253Ia 4500003000900000008004100009040001600050080002300066111008800089245015400177260006800331300001600399490002700415650003400442650002500476650003100501650002500532650002100557700001800578710003700596942000700633999001700640952010000657IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a523.64(082.2)bDON  aInternational Astronomical Union Colloquiumn25thcUSAd1974 Oct 28- Nov. 11928042 4aThe study of cometsbpt. 2, proceedings of IAU colloquium; no. 25 held in Maryland, USA, 28 Oct - 11 Nov 1974cedited by B. Donn                       aWashingtonbNational Aeronautics and Space Administrationc1976  aviii, 546p.  aIAU colloquium; no. 25  aComet data collections928043  aComet Kohoutek99459  aCometary atmosphere928044  aIsophotometry928045  aPhotometry91839  aDonn, B., ed.  aInternational Astronomical Union  cBK  c15233d15233  00104070aBANbKAVcGENd2003-07-17l0o523.64(082.2)/ DONp16155r2021-11-05w2003-07-17yBK