Identifer | oai:union.ndltd.org:up.pt/oai:repositorio-aberto.up.pt:10216/67770 |
Date | January 2012 |
Creators | Ricardo Luís dos Santos Gomes |
Source Sets | Universidade do Porto |
Language | Portuguese |
Detected Language | Portuguese |
Type | Dissertação |
Rights | open access |
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