000 00271nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aSen, S. P.
245 0 _aNitrogen Assimilation & Crop Prodution.
260 _bAssoc. Pub. Co.
_c1970
300 _a313 p
942 _2ddc
999 _c12532
_d12532