Biblio

EPA -Washington, DC, US, «Guidelines for water reuse». US Environmental Protection Agency (EPA), Washington, DC, USA, p. xxviii, 450 p.: fig., photogr., tab., 2004.

EPA -Washington, DC, US, «National conference on less costly wastewater treatment systems for small communities : a compilation of papers presented at the USEPA National Conference, held at Reston, Virginia, on April 12, 13, and 14, 1977», vol. 600979010. US Environmental Protection Agency (EPA), Reston, VA, USA, p. 118 pp. : fig., tab. ref., 1978.