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La Contaminación del aire en México / Humberto Bravo Alvarez. by
  • Bravo Alvarez, Humberto
Series: Medio ambiente ; 5 | Colección OIKOS - ORTOLANI
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: Spanish
Publication details: México Universo Veintiuno 1987
Availability: Items available for loan: Biblioteca Pedro Arrupe (1)Call number: TD 883.7 M6 B73 1987.

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Ecología, 100 acciones necesarias by
  • Comisión Nacional de Ecología (México)
Series: Colección OIKOS - ORTOLANI
Material type: Text Text; Literary form: Not fiction
Publication details: México Comision Nacional de Ecología 1987
Availability: Items available for loan: Biblioteca Pedro Arrupe (1)Call number: TD 883 .7 E36 1987.

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