00451nam a2200133Ia 4500008004100000082001700041100001600058245006600074260007500140300000800215650004100223650003400264653001900298170901s1979    xx            000 0 und d  a631.41bB83F  aBrinkman, R 0aFerrolysis, a soil-forming process in hydromorphic conditions  aWageningenbCentre for Agricultural Publishing and Documentationc1979  a106  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoil chemistry