Y. M. Sternberg y Knight, R.,
«Endurance tests of robovalves», vol. no. 102. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. i, 26 p., 1983.
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.
F. R. G. E. R. E. S. - Marseille y Paris, F. R. G. R. E. T. -,
Les dossiers du biogaz. Paris, France: France, Ministere des Relations Exterieures, Cooperation et Developpement, 1983, p. 4 vol. (72, 109, 85, 141 p.): fig., tab.
H. Van y Pareja-Gil, F.,
«Status of the AID type handpump in the Dominican Republic», vol. no. 98. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii, 56 p.: fig., photogr., 1983.
D. Donaldson,
«A technical/managerial review of AID handpump programs in Sri Lanka, the Philippines, Honduras, and the Dominican Republic», vol. no. 29. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 104 p.: fig., tab., photogr., 1983.