| Identifer | oai:union.ndltd.org:UCHILE/oai:repositorio.uchile.cl:2250/140404 |
| Date | January 1988 |
| Creators | Alvarez Alvarez, Juan Carlos |
| Contributors | Orellana, Myriam |
| Source Sets | Universidad de Chile |
| Language | Spanish |
| Detected Language | Spanish |
| Type | Tesis |
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