1. Interference Dioxyde de Chlore — Ozone en Traitement d'Eau de Consommation;Richard,1980
2. Health Effects of Alternate Disinfectants and their Reaction Products;Bull;J.A.W.W.A.,1980
3. Effect Floculant de l'Ozone;Fiessinger,1979
4. Case Studies for the Abandonment of Prechlorination;Fiessinger,1980
5. Ozone Pretreatment of Drinking Water;Richard,1978