000 00279nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHUTCHINSON T.B
245 0 _aProduction of field crops
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c18305
_d18305