000 00285nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a553.28
_bLEV/G
100 _aLEVORSEN, A.I.
245 0 _aGEOLOGY OF PETROLEUM
260 _bW.H.Freeman and Company
_aSan Francisco
_c1967
942 _cBK
999 _c4556
_d4556