Biblio

K. E. Kemper and Guldbrand, K. E., “La Malienne : a comparative study of two hand-pump projects in Casamance, Senegal”. Linkoping University, Department of Management and Economics, Linkoping, Sweden, p. v, 89, 8 p.: fig., tab., map., photogr., 1990.

E. Baumann, “Handpump development : general aspects”, vol. 03/85. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 11 p.: ill., fig., 1985.