000 00287nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aChatter jee (BN) ctc.
245 0 _aCropping system theory and practice
260 _bOxfored IBH
260 _c1993
365 _b79
942 _cBK
999 _c223068
_d223068