| 000 | 00361nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a333.73 | ||
| 100 | _aUNESCO | ||
| 245 | 2 | _aA history of land use in arid regions. | |
| 260 |
_aParis _bUNESCO _c1961 |
||
| 300 | _a388 | ||
| 650 | _aEconomics | ||
| 653 | _aEconomics | ||
| 653 | _aLanduse | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c770 _d770 |
||