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By: Richards, W JType: ArticleIn: Proceedings of the Biological Society of WashingtonVolume: 79Series:Issue:Date: 1966Page Range: 171--174Publication Info: Washington, Biological Society of Washington,Subjects:
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By: Richards, W J - Yato, T. - Last, P RType: ArticleIn: Smithiana BulletinVolume: 2Series:Issue:Date: 2003Page Range: 1--18Publication Info: Grahamstown, South Africa, South African Institute for Aquatic Biodiversity, c2002-Subjects: