Biblio

J. M. Kalbermatten, Middleton, R., and Schertenleib, R., “Household-centred environmental sanitation”. Water and Sanitation in Developing Countries (SANDEC), Duebendorf, Switzerland, p. 17 p. : boxes, 2 fig., 1999.

R. Middleton, “Letters to the editor : [reaction to article "Wood : a local option for handpump bearings" in Waterlines, October 1993]”, Waterlines, an international journal of water, sanitation and waste, p. p. 5, 1994.

R. Middleton, Jennings, L., and Joyce, S. D., “Evaluation guidelines for training in water and sanitation”, vol. no. 70. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 38 p.: fig., 1991.