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Volume 11, Issue 44, April 2009

Evolution and Paragenetics

Roseméri Simon Bernardi

437

Paradiplomacia

Pericles Tesone de Souza & Samuel de Souza

449

Una Experiencia Reconfortante

Carlos Teixeira França Filho

475

To the editor

Liliana Alexandre

479

To the editor

Martin Azambuya

491