000 00305nam a2200121Ia 4500
008 160214s9999 xx 000 0 und d
041 _aENG
100 _aVerma, S.K.G.
245 _aGreen revolution in Indian agriculture
260 _c1972
_aPatna
_bBharti Bhawan
300 _av, 180p.
942 _2udc
_cBK
999 _c30392
_d30392