'n Ondersoek na die moontlike ontwikkeling van 'n betroubare biotiese indeks vir die bepaling van rivierwaterbesoedeling in Natal

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Pretorius_Sarel Jacob.pdf (20.41Mb)

Date

1969

Author

Pretorius, Sarel Jacob

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Abstract

"No abstract"

URI

http://hdl.handle.net/10394/39139

Collections

Natural and Agricultural Sciences [2417]