| 000 | 00467nam a2200181 4500 | ||
|---|---|---|---|
| 020 |
_a _c |
||
| 082 | _a577.17 WAL-M | ||
| 100 | _aWalker, B H, Ed. | ||
| 245 | _aManagement of semi-arid ecosystems | ||
| 250 | _a | ||
| 260 |
_aElsevier Scientific Publishing Co., Amsterdam _c1979 |
||
| 300 | _a | ||
| 490 | _aDevelopments in agricultural and managed-Forest ecology-7 | ||
| 500 | _a | ||
| 590 |
_aSUB _b _c |
||
| 650 | _aEnvironmental management | ||
| 942 | _cBK | ||
| 999 |
_c541559 _d541559 |
||