00254nam a22001097a 4500003000400000008004100004082002100045100001500066245002900081260002600110300000800136OSt240208b        |||||||| |||| 00| 0 eng d  a338.911724bM11O  aMachou, A.  aOPEC and Arab petroleum   bBerger Levraultc1982  a198