00402cam a2200145   4500020001500000040000800015082002600023100002500049245004100074260003700115300003000152650002300182650002900205700002200234  a067508895X  cDLC00a333 MER 1974 A070 Or.1 aHerfindahl, Orris C.10aEconomic theory of natural resources  aColumbus, Ohio,bMerrillc[1974]  ax, 405 p.billus.c26 cm. 0aNatural resources. 0aEconomics, Mathematical.1 aKneese, Allen V.,