Möller, A.

Möller, A. & Müllern, C.-F., 1978. Groundwater stored in large fracture and fault systems - a hidden water resource. A case study from Botswana, presented at Nordic Hydrological Conference, 1978, Helsinki, Finland, Stockholm, Sweden: SWECO-VBB. Available at: http://fr.ircwash.org/sites/default/files/824BW.DU78-750.pdf.