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20120328184800.0 |
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080728s1974 000 0 spa d |
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|a 0306363011
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a 614.71
|b S989-i
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|a Indicators of environmental quality :
|b proceedings of a symposium held during the AAAS meeting in Philadelphia, Pennylvania, december 26-31,1971 /
|c Edited by William A. Thomas
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| 260 |
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|a New York :
|b Plenum ,
|c 1974
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| 300 |
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|a x, 275 páginas ;
|c 23 cm.
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| 504 |
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|a Incluye bibliografías
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|a MEDIO AMBIENTE
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|a CONTAMINACION
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| 650 |
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|a INDICES
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| 700 |
1 |
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|a Thomas, William A.
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