Biblio

W. B. Lord y Isarel, M., «Guía técnica para el reciclaje de residuos plásticos». Lima, Peru, p. 93 p., 1996.

P. Roark, Rosensweig, F., Requena, L. F., Lord, W. B., Andrews, R. N., Brantly, E., y O'Toole, L. J., «Guidelines for improving wastewater and solid waste management», vol. no. 88. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xiii, 135 p.: 4 fig., 2 tab., 1993.

F. Requena y Lord, W. B., «Water and wastewater demonstration projects for small urban areas in Chile», vol. no. 362. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. x, 27 p.: map, 1992.