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920820s1982 xxu ||||| eng |
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|a 49615
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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|a 338.9
|b P932w
|2 00
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| 100 |
1 |
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|a Prescott Allen, Robert
|e Autor/a
|4 aut
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|a What's wildlife worth? :
|b economic contributions of wild plants and animals to developing countries /
|c Robert and Christine Prescott-Allen. --
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| 260 |
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|a Washington :
|b International Institute for Enviroment and Development and World Wildlife FundU,
|c 1982.
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| 300 |
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|a 92 páginas :
|b ilustraciones ;
|c 21 cm
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| 650 |
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|a DESARROLLO ECONOMICO
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| 650 |
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|a PLANTAS SILVESTRES
|2 CC
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| 650 |
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|a ANIMALES
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| 700 |
1 |
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|a Prescott Allen, Christine
|e Autor/a
|4 aut
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| 949 |
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|a FC./d -FG b AGT.
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| 916 |
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|a Registros del LS-2000
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