00519nam a2200169Ia 4500008004100000082001500041100002200056245002500078260004400103300001000147600002300157600002300180650002400203942000700227952009800234999001700332140113s9999    xx            000 0 und d  a631.461 L1  a" Gray,T. R. G. "  aSoil micro-organisms  b"New York : Hafner publishing co, 1971"  a240p.  a" Williams, S. T."  a" Williams, S. T."  aSoil microorganosms  cBK  00104070aKYMbKYMd2014-01-13l0o631.461 L1pKBK1220r2014-01-13 00:00:00w2014-01-13yBK  c62339d62339