Biblio

R. McGowan y Hodgkin, J., «Pump selection : a field guide for energy efficient and cost effective water pumping systems for developing countries», vol. no. 61. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. ca. 180 p.: 20 fig., 13 tab., photogr., 1992.

R. McGowan, S. Omer, A., A. Hamza, A., A. Eltayeb, O., N. Ahmed, Y., y Hodgkin, J., «Meeting rural pumping needs in Sudan : an analysis of pumping system choice (diesel, wind, or solar)». Associates in Rural Development, Burlington, VT, USA, p. ca. 180 p.: fig., tab., 1991.

R. McGowan y Hodgkin, J., «Water pump fieldtests in Botswana». Associates in Rural Development, Burlington, VT, USA, p. ii, 96 p.: fig., 1986.