| Identifer | oai:union.ndltd.org:SEDICI/oai:sedici.unlp.edu.ar:10915/1644 |
| Date | January 1977 |
| Creators | Hitters, Juan Carlos |
| Contributors | Diaz, Manuel R. |
| Source Sets | Universidad Nacional de La Plata, Sedici |
| Language | Spanish |
| Detected Language | Spanish |
| Type | Tesis, Tesis de doctorado |
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