00570nam a2200181Ia 4500082001900000100001900019245007900038260003400117300001400151490006500165500000500230690000600235700000500241952010100246964001700347921000900364999001500373  a330.1bW822.ET  aWithagen, Cees  aEconomic theory and international trade in natural exhaustible resourcesb  aBerlinbSpringer-Verlagc1985  avi, 172p.  aLecture notes in Economics and Mathematical systems v v. 25  a  a   a  00104070aISIbISId1998-06-11l0o330.1 W822.ETpDP20378r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a2320  c2320d2320