000 00370nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aLevorsen A. L.
245 0 _aGeology of petroleum
260 _aDelhi
260 _bCbs Publishers And Distributors
260 _c1985
300 _a724p.
365 _b60
650 _aCIVIL
942 _cDBK
999 _c20824
_d20824