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|a 0023518103
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a 333.77
|b H388u
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| 100 |
1 |
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|a Havlick, Spenser W.
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| 245 |
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|a The urban organism; the city's antural resources from an environmental perspective /
|c Spenser W. Havlick
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| 260 |
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|a New York :
|b Macmillan ,
|c [1974]
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| 300 |
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|a x, 515 páginas :
|b ilustraciones ;
|c 25 cm.
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| 500 |
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|a Bibliography: p. 493-500.
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| 650 |
0 |
4 |
|a CONSERVACION DE LOS RECURSOS NATURALES
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| 650 |
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|a ESTADOS UNIDOS DE AMERICA
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