000 00298nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a338.43.02
_bFAR
245 0 _aGreen revolution
260 _aLondon
_bMacmillan
_c1977
650 _aAgricultural extension
700 _aFARMER, B H
942 _cBK
999 _c26450
_d26450