| 000 | 00360nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a333.73 | ||
| 100 | _aGonzalez,N.L. | ||
| 245 | _aSocial and technological management in dry lands. | ||
| 260 |
_aWashington _bAAAS _c1978 |
||
| 300 | _a199 | ||
| 650 | _aEconomics | ||
| 653 | _aEconomics | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c8545 _d8545 |
||