00621cam a22002057a 4500003000500000005001700005008004100022010001000063011001000073020001500083035001000098040000900108082001400117100001500131245012700146260005200273300001100325650004500336650003400381CHAP20220329142428.0010122d2000    enk     r     00110 eng d  a83303  a84275  a0803229321  a94794  cCHAP04a338.1bL300aLauk, Jon.10aAmerican agriculture and the problem of monopoly :bthe political economy of grain belt farming, 1953-1980c/by Jon Lauck.  aLincoln, NE :bUniversity of Nebraska,cc.2000.  a259 p.14aAgriculturaxAspectos economicoszE.U.A.14aPolítica agrícolazE.U.A.