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20211006130704.0 |
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080728s1972 xxu 000 0 spa d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 301.31
|b E33po
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| 100 |
1 |
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|a Ehrlich, Paul R.,
|d 1932- ,
|e autor
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| 245 |
1 |
0 |
|a Population resources enviroment :
|b issues in human ecology /
|c [by] Paul R. Ehrlich and Anne Ehrlich.
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| 260 |
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|a San Francisco :
|b W.H Freeman ,
|c 1972.
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| 300 |
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|a 509 páginas.
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| 650 |
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|a POBLACION
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| 650 |
0 |
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|a ECOLOGIA HUMANA
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| 700 |
1 |
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|a Ehrlich, Anne H.,
|d 1933 - ,
|e autora
|