Texte remanié de: Tese doutoral--Facultade de ciencias da información--Madrid--Universidade complutense, 1987.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/462996356 |
| Date | January 1989 |
| Creators | Molina, César Antonio, |
| Publisher | Vigo : Ed. Xerais de Galicia, |
| Source Sets | OCLC |
| Language | Galician |
| Detected Language | Spanish |
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