00357nam a2200109Ia 4500008004100000082002000041100002000061245004600081260003600127300002000163490006400183260420b        |||||||| |||| 00| 0 eng d  a333.7bSi571.RS  aSiebart, Horst   aThe resource sector in an open economyb/  aBerlin:bSpringer-Verlag,c1984  aix, 161p. Index  aLecture notes in Economics and Mathematical Systemsvv. 200