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00648nam a22001571a 4500 |
| 001 |
UNA01000025278 |
| 005 |
20120328185813.0 |
| 008 |
080728s1965 000 0 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 614.71
|b A512a3
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| 100 |
1 |
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|a American Association for the Advancement of Sciencie
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| 245 |
1 |
0 |
|a Air conservation :
|b the report of the Air Conservation Commission /
|c American Association for the Advancement of Sciencie
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| 260 |
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|a Washington :
|b AAAS ,
|c 1965
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| 300 |
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|a xi, 324 páginas :
|b ilustraciones ;
|c 24 cm.
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| 504 |
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|a Incluye referencias bibliográficas
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| 650 |
0 |
4 |
|a CONTAMINACIÓN DEL AIRE
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