00348nam a2200133Ia 450000500170000008000180001724500560003526000340009130000180012558300190014365000230016294200120018599900170019720260716043621.0  a08.11.06 U581  aState petroleum enterprises in developing countries  bPergamon P.aNew YorkUSc1980  axviii, 211 p.  c10/18/05kJOYD  aPETROLEUM INDUSTRY  cMmU581  c50911d50911