A socio-biological study of the aquatic resources and their utilisation in an underdeveloped rural region, the Mutshindudi River Catchment (Volume 1) A socio-biological study of the aquatic resources and their utilisation in an underdeveloped rural region, the Mutshindudi River Catchment (Volume 1)
A socio-biological study of the aquatic resources and their utilisation in an underdeveloped rural region, the Mtshindudi River catchment (Volume 2) A socio-biological study of the aquatic resources and their utilisation in an underdeveloped rural region, the Mtshindudi River catchment (Volume 2)
State of the rivers report: Crocodile, Sabie-Sand and Olifants River systems State of the rivers report: Crocodile, Sabie-Sand and Olifants River systems
Introduction to a legal framework to pollution management in South Africa Introduction to a legal framework to pollution management in South Africa
Guides to the freshwater invertebrates of Southern Africa. Volume 3: Crustacea II Guides to the freshwater invertebrates of Southern Africa. Volume 3: Crustacea II
Assessment of the attended coupon-operated access-point cost recovery system for community water supply schemes Assessment of the attended coupon-operated access-point cost recovery system for community water supply schemes
Vipos: Vaal Dam catchment integrated precipitation observing system Vipos: Vaal Dam catchment integrated precipitation observing system
Guides to the freshwater invertebrates of Southern Africa. Volume 4: Crustacea III Guides to the freshwater invertebrates of Southern Africa. Volume 4: Crustacea III
Dewatering and drying of fine coal: Survey of dewatering costs Dewatering and drying of fine coal: Survey of dewatering costs