Biblio

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.

M. Crouch, Six simple pumps : a construction guide. Arlington, VA, USA: Volunteers in Technical Assistance, 1983, p. viii, 94 p.: fig.

A. Bodek, “Como fabricar un tipo de molino de viento a bajo costo para bombeo de agua”, vol. no. l12. Servicio Nacional de Aprendizaje (SENA), Bogota, Colombia, p. 23 p.: techn.drawings, graphs, 1977.

A. Bodek, “How to construct a cheap wind machine for pumping water : instructions for building a Savonius Rotor for water pumping”. Brace Research Institute, Ste. Anne de Bellevue, Que, Canada, p. 13 p.: techn.drawings, graphs, 1973.