By James NC   Mann BQ   Radebe PV   in African Journal of Aquatic Science

ISSN:1727-9364|29|1|67-74

Taylor & Francis Ltd‎(2004)‎

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By Radebe P.V.   Mann B.Q.   Beckley L.E.   Govender A.   in Fisheries Research

ISSN:0165-7836|58|2|193-201

Elsevier‎(2002)‎

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