Biblio

H. Bernhardt and Schell, H., “Experience in coagulant control by use of a charge titration unit”, Aqua : journal of water supply research and technology, pp. p. 19-27: 16 fig., 1996.

M. Chaudhuri and Sattar, S. A., “Removal of human rotavirus from water by coal-based sorbents”, Water quality bulletin, pp. p. 202-204: tab., 1989.

M. Chaudhuri and Sattar, S. A., “Enteric virus removal from water by coal-based sorbents : development of low-cost water filters”, Water science and technology, 1986.

O. J. Sproul, “Critical review of virus removal by coagulation processes and pH modifications”. US Environmental Protection Agency (EPA), Municipal Environmental Research Laboratory, Cincinnati, OH, USA, p. ix, 39 p., 1980.