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00650nam a22001811a 4500 |
| 001 |
UNA01000063664 |
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20120328192004.0 |
| 008 |
080728s1986 000 0 eng d |
| 020 |
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|a 0309036453
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 574.52
|b N277e
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| 100 |
1 |
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|a National Research Council
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| 245 |
1 |
0 |
|a Ecological knowledge and environmental problem solving :
|b concepts and case studies /
|c National Research Council
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| 260 |
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|a Washington, D. C. :
|b National Academy ,
|c 1986
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| 300 |
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|a xi, 388 páginas ;
|c 23 cm.
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| 650 |
0 |
4 |
|a CONSERVACION DE LA NATURALEZA
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| 650 |
0 |
4 |
|a MEDIO AMBIENTE
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| 650 |
0 |
4 |
|a ECOLOGIA
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