000 00434nam a2200157Ia 4500
082 _a630
_bCOA
100 _aCox, George W.
_9108508
245 _aAgricultural ecology
_b: an analysis of world food production systems
260 _aSan Francisco:
_bW.H. Freeman,
_c1964.
300 _a721p
500 _aIncludes index
546 _aeng
650 _aAgricultural ecology
_955977
700 _aAtkins, Michael D.
_946709
942 _cBK
999 _c21069
_d21069