000 00418nam a2200157Ia 4500
008 140205s9999 xx 000 0 und d
020 _a0891180702
082 _a631.416/STE
100 _aStevenson, S J., ed.
245 _aNitrogen in agricultural soils
260 _bAmerican Society of Agronomy
_aMadison
_c1982
300 _a926
650 _aCrops and soils
650 _aNitrogen fertilizers
942 _2ddc
_cBK
999 _c1878
_d1878