Villholth, Karen G. (Comp.) 2015. Management of transboundary aquifers. Module 4. In Africa Groundwater Network (AGW-Net). Training manual on integration of groundwater management into transboundary basin organizations in Africa. Hanover, Germany: Federal Institute for Geosciences and Natural Resources (BGR); Harare, Zimbabwe: Africa Groundwater Network (AGW-Net); Rio de Janeiro, Brazil: Computer Aided Provider Network (Cap-Net) 16p.
- Villholth, Karen G.