00442nam a2200157Ia 4500008004100000020001500041082001700056100001600073245003600089260004100125300000800166650004100174650003400215653001600249700001900265170901s1981 xx 000 0 und d a0046310134 a631.47bD35S aDent, David 0aSoil Survey and Land Evaluation aBostonbGeorge Allen and Unwinc1981 a278 aAgriculture and related technologies aTechnology (Applied sciences) aSoil survey aYoung, Anthony