00306nam a2200121Ia 4500008004000000020001800040082001300058100002300071245002200094260003500116300001200151650002100163210210b1980   xxu||||| |||| 00| 0 eng d  a0 333 27339 7  a630 FARG  aFARMER, (B H), Ed.  aGreen revolution?  aLondonbELBS & Macmillanc1980  axvi,429  aGreen revolution