| 000 | 00455nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a574.52 | ||
| 100 | _aU.N.E.S.C.O. | ||
| 245 | _aUse and conservation of the biosphere:Proc. Conf. of experts on the scientific basis for rational use , conservation of the resources of the biosphere paris 4-13 Sept. 1968 | ||
| 260 |
_aParis _bUNESCO _c1970 |
||
| 300 | _a272 | ||
| 653 | _aEnvironment | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c5292 _d5292 |
||