000 00272nam a2200133Ia 4500
008 160316s1958 xxu||||| |||| 00| 0 eng d
020 _a
100 _aG.A.Purdy
245 _aPetroleum
250 _a1st
260 _a
_bMcGRAW-HILL
_c1958
300 _a492
700 _a
_a
999 _c31709
_d31709