Thesis--Universidad Nacional de Colombia. / Includes bibliographical references (leaves 49-50).
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608490701 |
Date | January 1969 |
Creators | Garcés Arango, José Edgar. |
Publisher | Medellín, Colombia : Facultad de Ciencias Agrícolas, Universidad Nacional de Colombia, |
Source Sets | OCLC |
Language | Spanish |
Detected Language | Spanish |
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