00269nam a2200109Ia 450000500170000008000190001710000180003624500470005426000250010130000150012658300180014120260716043633.0  a08.11.06 S4531  aSeers, Dudley  aThe mechanism of an open petroleum economy  b[s.n.]a[S.l.]c1964  ap. 233-242  c12/2/05kJOYD