000 00291nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aCHATTERJEE (BN) ETC
245 0 _aCropping system: Theory & Practice
260 _cOxford & IBH Publs.
365 _b0
650 _aNIL
942 _cBK
999 _c103048
_d103048