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20120328191709.0 |
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080728s2001 000 0 eng d |
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|a 0953494446
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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 |
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|a 338.9
|b O93-o
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| 245 |
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|a Our fragile world :
|b challenges and opportunities for sustainable development /
|c M. K. Tolba
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| 260 |
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|a Oxford, U. K. :
|b Eolss Publishers ,
|c 2001
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| 300 |
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|a volúmenes1 :
|b ilustraciones ;
|c 29 cm.
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| 650 |
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4 |
|a SOSTENIBILIDAD
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| 650 |
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4 |
|a CONSERVACION DE LA NATURALEZA
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| 650 |
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4 |
|a DESARROLLO ECONOMICO Y SOCIAL
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| 700 |
1 |
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|a Tolba, Mostafa Kamal
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| 852 |
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|a REFER.
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