Cowan, G.I.

Wetland bibliography for South Africa

Author(s)

van der Walt, M. M.

Cowan, G.I.

Erasmus, A.

Marneweck, G. C.

A directory of South African wetlands

Author(s)

Cowan, G.I.

Riet, W. van

Biota of South African wetlands in relation to the Ramsar convention

Author(s)

Cowan, G.I.

Wetlands of South Africa

Author(s)

Cowan, G.I.

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