Thesis (Ph.D. (Natural and Agricultural Science)) -- University of Pretoria, 2009. / Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/465161383 |
| Date | January 2009 |
| Creators | Van der Merwe, Jacobus Johannes. |
| Publisher | Pretoria : [s. n.], |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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