00327nam a2200109Ia 4500008004100000082002300041100001400064245004700078260002900125505003600154650002700190220204s9999    xx            000 0 und d  a631.4:001.814bROD  aRODE, A A 0aSystem of research methods in soil science  aNew DelhibAmerindc1974  aTr from Russian by V S Kothekar  aSoil forming modelling