| Identifer | oai:union.ndltd.org:up.pt/oai:repositorio-aberto.up.pt:10216/64542 |
| Date | January 1986 |
| Creators | Calheiros, José Manuel |
| Publisher | Connecticut : University of Connecticut |
| Source Sets | Universidade do Porto |
| Language | English |
| Detected Language | English |
| Type | Tese |
| Format | application/pdf, application/pdf |
| Source | http://catalogo.up.pt/F?func=find-b&local_base=UPB01&find_code=SYS&request=000078186 |
| Rights | openAccess |
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