Biblio

R. M. Clark, Adams, J. Q., Goodrich, J. A., y Lykins, B. W., «Safe drinking water from small systems : treatment options», Journal American Water Works Association, pp. p. 49-55: 4 fig., 6 tab., photogr., 1992.

R. G. Stevie, Clark, R. M., Adams, J. Q., y Gillean, J. I., «Managing small water systems : a cost study : Vol. I». US Environmental Protection Agency (EPA), Cincinnati, OH, USA, p. xviii, 198 p., 1979.