00599nam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100003600117245008500153260004100238300002300279490003000302650003100332830003000363CHAP20220817041910.0971013s1968 r 00010 d a28136 a29108 a33219 cCHAP a338.19bL300aLandbouwhogeschool. Wageningen. aAgricultural sciences and the world food supplyb: an international symposium... aWageningen :bVeenman & Zonen,c1968 a111 p.b: gráfs. aMiscellaneous papersv; 314aAlimentosxAbastecimiento.0 aMiscellaneous papersv; 3