Biblio

E. Baumann, Montangero, A., Sutton, S., and Erpf, K., “WASH technology information packages : for UNICEF WASH programme and supply personnel”. UNICEF, Copenhagen, Denmark, p. 190 p. : ill., 2010.

E. Baumann, Water lifting, vol. no. 7. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 2000, p. 78 p., 49 fig., 2 tab.

E. Baumann, “Handpump developments”. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 6 p. : 3 fig., 6 photogr., 1998.