000 00332nam a22001457a 4500
008 240126b ||||| |||| 00| 0 eng d
020 _a9780521387651
041 _aeng
080 _21990
_a521
082 _a521HAR
100 _a19
101 _aASTRO
245 _aA GEOLOGIC TIME SCALE 1989
_cW.BRIAN HARLAND
942 _2udc
_cBK
999 _c60558
_d60558