Biblio

J. A. Beecher, “Water affordability and alternatives to service disconnection”, Journal American Water Works Association, pp. p. 61-72: 6 tab., photogr., 1994.

B. Ratcliffe, The performance and selection of pressure reducing valves. Marlow, UK: Water Research Centre, 1986, p. 2 vol. (61, 80 p.): fig., photogr.

E. W. Lindeijer, “The use of a reversible flow-rate restrictor (RFR) in piped water supply in India”. S.n., S.l., p. 29 p.: fig., 1985.

R. B. Robinson and Austin, T. A., “Cost optimization of rural water systems”, Journal of the Hydraulics Division, Proceedings of the American Society of Civil Engineers, 1976.