000 00438nam a2200121Ia 4500
008 230508s1987 xx 000 0 und d
050 _aQB 45 A139 1987
100 1 _aAbell, George D.
245 1 0 _aExploration of the universe.
_cAbell, George D.
247 _aExploration of the universe._QB 45 A139 1987_Abell, George D._1987
264 _a[Place of publication not identified] :
_bSaunders College Publishing,
_c1987.
942 _2lcc
_cBK
999 _c22761
_d22761