00430nam a2200133Ia 4500008004100000082001700041100001400058245003100072260006100103300000800164942000700172952010000179999001700279140113s9999 xx 000 0 und d a631.417 L2 aAnonymous aSoils of the Humid Tropics a1972b"National Academy of Sciences, U.S.A."cWashington a219 cBK 00104070aVTLbVTLd2014-01-13l0o631.417 L2pVBK1898r2014-01-13 00:00:00w2014-01-13yBK c58577d58577