000 00403nam a2200157Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 631 GUP-P
100 _aGupta, U S, Ed.
245 _aPhysiological aspects of crop nutrition and resistance
260 _bAtma Ram & Sons, Delhi
260 _c1977
300 _a384
365 _b75
650 _aCrops & their production
942 _cBOOKS
999 _c17610
_d17610