000 00271nam a2200121Ia 4500
008 180426s2012 xx 000 0 und d
082 _a631.41 B2 S6
100 _aBartholomew, W.V.
245 0 _aSoil Nitrogen
260 _c1965
300 _a615 p.
942 _2ddc
_cAG
999 _c129732
_d129732