000 | 00693nam a2200217 a 4500 | ||
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005 | 20210219160117.0 | ||
008 | 080804s1977 mx r 000 0 spa d | ||
020 | _a923101482. | ||
035 | _aUPN01000158864 | ||
049 | _aUNE | ||
080 | _a572.001. 5 (100) =20HUM No.3. | ||
245 | 0 | 0 |
_aHuman population problems in the biosphere : _bsome research strategies and designs / _cby Paul Baker ... [et al.]. |
260 |
_aParís : _bUNESCO, _c1977. |
||
300 |
_a82 p. : _bil., map. |
||
440 | 0 |
_aMAB technical notes ; _v3 |
|
690 | _aProblemas demográficos - Biología humana | ||
690 | _aMedio humano - Montañas | ||
700 | 1 |
_aBaker, Paul, _ecoaut. |
|
710 | 2 | _aUNESCO | |
905 | _aUNESCO | ||
999 |
_c130978 _d130978 |