共 50 条
- [31] SOUTH-AFRICA AND THE WATER DECADE [J]. SOUTH AFRICAN JOURNAL OF SCIENCE, 1985, 81 (11) : 650 - 650
- [32] NONMETALLIC MINERAL-RESOURCES OF SOUTH-AFRICA [J]. SOUTH AFRICAN JOURNAL OF SCIENCE, 1987, 83 (05) : 274 - 277
- [33] WASTE-WATER RECLAMATION AND WATER-RESOURCES MANAGEMENT [J]. WATER SCIENCE AND TECHNOLOGY, 1991, 24 (09) : 251 - 265
- [35] AN OVERVIEW OF WATER-RESOURCES PLANNING IN WEST-AFRICA [J]. WORLD DEVELOPMENT, 1989, 17 (11) : 1717 - 1722