Symposium on the Treatment of Waste Waters (2nd 1959 Newcastle-upon-Tyne)
George Tchobanoglous
Ronald J. LeBlanc
World Health Organization. Expert Committee on Disposal of Community Wastewater.
John R. Thoman
National Canners Association. Western Research Laboratory.
WHO Meeting of Experts on the Reuse of Effluents (1971 Geneva)
Matthias Krause
William R. Curtis
Karl Imhoff
Poplar (London, England)
O. Stephanson
World Health Organization (WHO)
Edmilson Costa Teixeira
N. F. Gray
Argonne National Laboratory. Chemical Engineering Division
Center for Environmental Research Information (U.S.)
Francis Hopcroft
Provincial Board of Health of Ontario