000 00339nam a2200145Ia 4500
008 210210b0 xxu||||| |||| 00| 0 eng d
082 _a553.282 PETR
100 _aPETROLEUM
245 _aPetroleum conservation.
260 _aN D
_bP C R A
_c0
300 _a-
650 _aPetroleum Conservation Oil
690 _aGeology
906 _a038953
999 _c89259
_d89259