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by Heidrich, Alvaro Luiz
Porto Alegre : Editora da Universidade, Universidade Federal do Rio Grande do Sul, 2000
1. ed.
Porto Alegre : Editora da Universidade, Universidade Federal do Rio Grande do Sul, 2000
1. ed.
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by Medeiros, Laudelino Teixeira de
Porto Alegre : Edições URGS, 1975
Porto Alegre : Edições URGS, 1975
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by Rothwell, Stuart Clark, 1918-
Coral Gables, Fla. : Department of Geography, University of Miami, 1960
Coral Gables, Fla. : Department of Geography, University of Miami, 1960
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by Zarth, Paulo Afonso
Ijuí, Rio Grande do Sul, Brasil : Editora Unijuí, 2002
Ijuí, Rio Grande do Sul, Brasil : Editora Unijuí, 2002
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