000 00309nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSingh C
245 0 _aModern Techniques of Raising Field Crops
260 _bOxford & IBH
260 _c1989
365 _b63.00
650 _aAgronomy
942 _cBK
999 _c241675
_d241675