00470nam a2200169Ia 4500082002400000100001900024245005200043260002900095300001400124500000500138690000600143700000500149952010500154964001700259921000900276999001500285  a338.476655bF829.EP  aFrankel, P. H.  aEssentials of petroleumba key to oil economics  aLondonbFrank Cassc1969  axv, 188p.  a  a   a  00104070aISIbISId1998-08-20l0o338.476655 F829.EPpDP5231r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a5030  c5030d5030