000 00435nam a2200157Ia 4500
008 140316s9999 xx 000 0 und d
020 _a81 204 0596 x
082 _a631.58
_bGUP/CR
100 _aGupta U S
245 _aCrop improvement : Physiological attributes V .1
260 _aNew Delhi
_bOxford & IBH Publishing Co.Pvt.Ltd.
_c1992
300 _a
650 _anitrogen fexation
650 _aPhotosensitivity
942 _2ddc
_cBK
999 _c2356
_d2356