C. R. Bartone, Esparza, M. L., Mayo, C., Rojas, O., and Vitko, T.,
“Monitoring and maintenance of treated water quality in the San Juan Lagoons supporting aquaculture : (UNDP/World Bank/GTZ integrated resource recovery project GLO/80/004) : final report of phases I-II”. Pan American Center for Sanitary Engineering and Environmental Sciences, Lima, Peru, p. 72, 2 p.: ill., fig., tab., 1985.
