1. Vaseen, Vesper A. US Patent #4,317,044. February 23, 1982.
2. Rice, Rip G., and Netzer, Aharon, ed. Handbook of ozone technology and applications. Vol 1: Ann Arbor: Ann Arbor Science. 1982.
3. Braker, William, and Mossman, Allen L. Matheson Gas Data Book. 6 ed. Secaucus, NJ: Matheson Gas Products. 1980.
4. Vaughn, J. M., Chen, Y. S., Lindburg, K., and Morales, D. 1987. Inactivation of Human and Simian Rotaviruses by Ozone. Appl. Environ. Microbiol. 53:2218-2221.
5. Beitzel, Stuart S. US Patent #4,189,363. February 19, 1980.
6. Masten, Susan J., and Davies, Simon H. R. 1994. The Use of Ozone to Degrade Organic Contaminants in Wastewaters. Environ. Sci. Technol. 28:180-185.
7. Griggs, Bruce F., Gandek, Thomas P., Pikulin, Michael A., and Rosen, Allen. US Patent #5,164,043. November 17, 1992.
8. Pikulin, Michael A., and Friend, William H. US Patent #5,451,296. September 19, 1995.
9. Taylor, P. A., Futrell, Todd O., Dunn Jr., Neil M., Jusko, Michael P., DuBois, Casey R., and Capehart, Jimmie D. US Patent #5,547,644. August 20, 1996.