1. Modern Microbiological and Virological Aspects of Water Pollution in Advances in Water Pollution Research.;Coin,1964
2. LaPollution Virale des Eaux Usees, de Surface et d'Alimentation.;Foliquet;Bull. Org. Mond. Sante,1966
3. The Virus Problem in the Windhoek Waste Water Reclamation Project in Advances in Water Pollution Research.;Nupen,1973
4. Clarke , N. A. Unpublished data 1963-64
5. Research on Viruses in Potable Water.;Coulon;Critical Study of Methods and Results. Bull. I.N.S.E.R.M,1967