00439nam a2200145Ia 4500008004100000020001500041082001400056100002500070245004700095260005200142300000800194650004100202650003400243653001600277170901s1992    xx            000 0 und d  a0632029781  a630bF86F  aSpedding, Colin. R.W 0aFream's Principles of Food and Agriculture  aLondonbBlackwell Scientific Publicationsc1992  a308  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgriculture