000 00299 a2200121 4500
080 _a631.583:631.557
_bJ 69 G
245 1 _aGreen revolution
_cby S. Johnson
260 _aNew York
_bHarper and Row
_c1972
650 _aGreen Revolution
100 1 _aJohnson, S.
_d
300 _a218 p.
901 _a126050
999 _c81809
_d81809