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2
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Biosphere reserve implementation : the Latin American experience / by Claudio Daniele, Marcelo Acerbi and Sebastián Carenzo.
- UNESCO,
- 1999.
- Paris :
-
Mexico City : industrialization, migration and the labour force, 1930-1970 / by Humberto Muñoz, Orlandina de Oliveira, Claudio Stern.
- 874
- UNESCO,
- 1982.
- Paris :