000 00322nam a2200133Ia 4500
008 160316s1979 xxu||||| |||| 00| 0 eng d
020 _a
100 _aGeorge W Cox
245 _aAgricultural Ecology
250 _a1
260 _aSANFRANCISCO
_bW H FREEMAN AND CO.
_c1979
300 _a721
700 _aMichael D Atkins
_a
999 _c24653
_d24653