000 00325nam a2200133Ia 4500
654 _aCIVI
100 _aBeckmann Heinz.
250 _a1st Ed.
245 _aGeology Of Petroleum./2.(Geo.Pros.Of Petroleum).
260 _bTata McGraw-Hill Publishing Company Limited
_c1948
082 _bGRE
300 _a454p.
999 _c40442
_d40442
041 _aeng
655 _aH-03
546 _aText in English
300 _c23 cm.