Development of a protocol for the definition of the desired state of riverine systems in South Africa
1997
Rogers, Kevin |
Bestbier, Regina |
South African Wetlands Conservation Programme Research Report Series
A directory of South African wetlands
1998
Cowan, G.I. |
Riet, W. van |
Biota of South African wetlands in relation to the Ramsar convention
1999
Cowan, G.I. |