000 00283nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aShiv Raj (A)
245 0 _aIntroduction to Physiology of field crops
260 _bD.I.B.H
260 _c1978
365 _b13.5
942 _cBK
999 _c209802
_d209802