000 00416nam a2200157 4500
040 _cUDSM
050 _aQTO TN863.W6
110 _aWorld Petroleum Congress. Mexico
_eCorporate author
245 0 _aSeventh World Petroleum Congress:
_bproceedings.
260 _aEssex
_bElsevier
_c1967
300 _aviii,586p.
_bill.
_c28cm.
490 _vVol.6
650 _aPetroleum
650 _aCongresses
942 _2lcc
_cBK
999 _c75968
_d75968