00609cam a22001932  4500001001100000005001700011008004100028020002800069040001500097050002200112100003300134245008300167250001200250260003900262300002100301650002700322650003000349700003600379000000367420151217151928.0070514s        xx            000 0 eng d  a0030062284 :cGBP 42.99  aKABUcKABU 0aQB43.2b.Z45 19981 aZeilik, Michael.@000015375110aIntroductory astronomy and astrophysics /cMichael Zeilik, Stephen A. Gregory.  a4th ed.  aLondon :bThomson Learning,c1998.  axv, 515, [89] p. 0aAstronomy.@0000153749 0aAstrophysics.@00001537521 aGregory, Stephen A.@0000153753