| 000 | 00441 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a333 _bU 58 N |
||
| 245 | 1 |
_aNatural resources of developing countries _bInvestigation, development and rational utilization : |
|
| 260 |
_aNew York _bUnited Nations _c1970 |
||
| 650 | _aNatural Resources | ||
| 650 | _aLand Use | ||
| 700 | _aUnited Nations, Department of Economic and Social Affairs | ||
| 100 |
_a _d |
||
| 300 | _a172 p. | ||
| 901 | _a107964 | ||
| 999 |
_c21940 _d21940 |
||