000 00301nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _a"Chatterjee BN, et al."
245 0 _aCropping Systems
260 _bOxford & IBH
260 _c1989
365 _b47.00
650 _aAgronomy
942 _cBK
999 _c241691
_d241691