Biblio

WASH -Arlington, VA, US, “Evaluation of the feasibility of manufacturing and marketing the AID-design handpump and roboscreen in Peru”, vol. no. 89. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vi, 119 p.: fig., tab., 1983.

Y. M. Sternberg, Knight, R., and International Rural Water Resources Development Laboratory -College Park, MD, USA, “Final report on the development of a broached roboscreen”. International Rural Water Resources Development Laboratory, College Park, MD, USA, p. vi, 119 p.: fig., tab., 1980.