000 00323nam a2200157Ia 4500
082 _a338.1091
_bJ69.GR
100 _aJohnson, Stanley
245 _aGreen revolution
_b
260 _aLondon
_bHamilton
_c1972
300 _axiii, 218p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a4577
999 _c4577
_d4577