1. Bacteriophage;Adams,1959
2. Reassessment of the virus problem in sewage and in surface and renovated waters;Berg,1973
3. Adsorption as a protective mechanism for waterborne viruses;Boardman,1977
4. Effect of bentonite clay on ozone disinfection of bacteria and viruses in water;Boyce,1978
5. Virus inactivation on clay particles in natural waters;Carlson;J. Wat. Pollut. Control Fed.,1968