Viljoen, J. H. A., & Verwoerd, W. J. (2012). Piroklastiese afsettings van perm-ouderdom in die Hoof-Karookom met spesiale verwysing na die Collingham Formasie, Ecca Groep. Stellenbosch : Stellenbosch University.
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Chicago Style (17th ed.) Citation
Viljoen, J. H. A., and W. J. Verwoerd. Piroklastiese Afsettings Van Perm-ouderdom in Die Hoof-Karookom Met Spesiale Verwysing Na Die Collingham Formasie, Ecca Groep. Stellenbosch : Stellenbosch University, 2012.
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MLA (9th ed.) Citation
Viljoen, J. H. A., and W. J. Verwoerd. Piroklastiese Afsettings Van Perm-ouderdom in Die Hoof-Karookom Met Spesiale Verwysing Na Die Collingham Formasie, Ecca Groep. Stellenbosch : Stellenbosch University, 2012.
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Warning: These citations may not always be 100% accurate.