A re-evaluation of the bilharzia risk in and around the Hartbeespoort Dam
De Kock, K.N., Wolmarans, C.T., Nieuwoudt, S., Smid, M.J. & Yssel, E.
Published in Water S. A. (01.01.1993)
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Published in Water S. A. (01.01.1993)
Journal Article