000 00337nam a2200121Ia 4500
008 170101s2012 xx 000 0 und d
082 _a630 SHE
100 _aSheaffer craig C.
245 0 _aIntroduction to agronomy food, crops and environment Second edition
260 _bCengage learning
_c2012
300 _a704p
942 _2ddc
_cB
999 _c1669916
_d1669916