00407nam a2200133Ia 4500008004100000082001700041100002100058245003600079260002600115300000800141942000700149952010000156999001700256140113s9999    xx            000 0 und d  a631.466   L4  a"Richards, B.N."  aIntroduction to soil ecosystems  a1974bLongmancLondon  a266  cBK  00104070aVTLbVTLd2014-01-13l0o631.466   L4pVBK3363r2014-01-13 00:00:00w2014-01-13yBK  c59947d59947