J. J. Troyan, Norris, D. P., and Environmental Research Information Center -Cincinnati, OH, US,
“Alternatives for small wastewater treatment systems : cost/effectiveness analysis”, vol. EPA-625/4-77-011. US Environmental Protection Agency (EPA), Center for Environmental Research Information, Cincinnati, OH, USA, p. iii + 30 p. : tabs., refs., 1977.
R. J. Otis, Cooper, I. A., and Rezek, J. W.,
“Alternatives for small wastewater treatment systems : on-site disposal/septage treatment and disposal”, vol. EPA-625/4-77-011. US Environmental Protection Agency (EPA), Washington, DC, USA, p. 73 p. : fig., tab., 1977.
J. F. Kriessl, Cooper, I. A., and Rezek, J. W.,
“Alternatives for small wastewater treatment systems : pressure sewers/vacuum sewers”, vol. EPA-625/4-77-011. US Environmental Protection Agency (EPA), Center for Environmental Research Information, Cincinnati, OH, USA, p. iii + 97 p. : figs. tabs. refs. anns., 1977.
M. Gamrasni,
Assainissement individuel et stations d'epuration pour petites collectivites. Paris, France: Association Francaise pour l'Etude des Eaux, 1977, p. i, 123 p. : fig., tab.
J. Pickford,
“Engineering for health in hot countries : 4th WEDC Conference, 25th - 27th September 1977 : proceedings”. Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. 191 p.: tab., fig., ill., 1977.