000 00377pab a2200145 454500
008 180718b2013 xxu||||| |||| 00| 0 eng d
100 _aHarwood, Jonathan
245 _aHas the green revolution been a cumulative learning process?
260 _c2013
300 _ap.500-515.
650 _aGreen revolution
773 _aThird World Quarterly
908 _aN
909 _a99635
999 _c99634
_d99634