000 00250nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aNorman, A.G.
245 0 _aAdvances in Agronomy V.19
260 _bAcademic
_c1967
300 _a376
942 _2ddc
999 _c23151
_d23151