00386nam a22001577a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100001900118245007300137260001800210CHAP20220329135128.0971013s r 00010 d a31387 a32359 a36474 cCHAP a630.215bC600aCox, George W. aAgricultural ecologyb: an analysis of world food production systems aSan Francisco