000 00321nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.416.1(02) K5
100 _a"Bartholomev, W.V. & Clark, Francis.E."
245 _aSoil Nitrogen
260 _a1965
_bAmerican Soc. Agronomy
_cU.S.A.
300 _a615
942 _cBK
999 _c58330
_d58330