00487nam a2200181Ia 4500020001500000082002100015100001800036245003800054260003400092300001600126500000500142690000600147700000500153952010300158964001700261921001000278999001700288  a0631134816  a338.904bG857.WF  aGrigg, David.  aThe World food problem, 1950-80b  aOxfordbBasil Blackwellc1985  a276p. Index  a  a   a  00104070aISIbISId1998-09-28l0o338.904 G857.WFpDP20290r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a14600  c14600d14600