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Author: Crafford D Avenant-Oldewage A
Publisher: Taylor & Francis Ltd
ISSN: 1727-9364
Source: African Journal of Aquatic Science, Vol.34, Iss.3, 2009-11, pp. : 261-272
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By van Dyk JC Marchand MJ Pieterse GM Barnhoorn IEJ Bornman MS
African Journal of Aquatic Science, Vol. 34, Iss. 3, 2009-11 ,pp. :
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