Biblio

J. A. Cotruvo, “Approaches for providing potable water in small systems”. National Rural Water Corporation, Duncan, OK, USA, p. 650 p. : fig., photogr., tab., 2002.

G. F. Craun, Cotruvo, J. A., and Hearne, N., “Providing safe drinking water in small systems : technology, operations, and economics : proceedings of the 1st international symposium on safe drinking water in small systems : technology, operations, economics, Washington, DC, May 10-13, 1998”. Lewis, Boca Raton, FL, USA, p. 650 p. : fig., photogr., tab., 1999.