000 00307nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a631.41
_bSTE
100 _aStevenson, F.J.
245 _aCycles of soil : carbon, nitrogen, phosphorus, sulfur,micronutrients
260 _bJohn Wiley
_aNew York
_c1986
999 _c133077
_d133077