| 000 | 00339nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 150901b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0521098432 | ||
| 082 | _a631 CRI | ||
| 100 | _aGRIGG D, B. | ||
| 245 |
_aTHE AGRICULTURAL SYSTEMS OF THE WORLD : _bAN EVOLUTIONARY APPROACH |
||
| 260 |
_aNEW YORK _bCAMBRIDGE UNIVERSITY PRESS _c1974 |
||
| 999 |
_c1805 _d1805 |
||