| 000 | 00355nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1957 xx 000 0 und d | ||
| 082 | _a631.09154 U4G | ||
| 100 | _aUNESCO | ||
| 245 | 0 | _aGuide book to research data for arid zone development | |
| 260 |
_aParis _bthe author _c1957 |
||
| 300 | _a190 | ||
| 440 | _aArid zone research no,ix | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c12774 _d12774 |
||