00319nam 2207725 45000010005000000030023000050050009000280080041000370820010000781000018000882600033001063000015001392450033001547725StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a338.1 aDavid Metcalf bLondon: Penguin Books c1969 a144p: 16cm aThe Economics of Agriculture