1. Anon. News report by McIlvane Company. Cleanroom Technology June 2000; p. 5.
2. Barret GFC. Stamping out particulates. Cleanroom Technology October 1997; p. 11.
3. Winter BR, Holmgren H. A filter guide for cleanrooms in the pharmaceutical industry. Cleanroom Technology August 2000; p. 24.
4. Draft International Standard ISO/DIS 14644-1, Cleanrooms, and associated controlled environments—Part 1: classification of air cleanliness. Geneva: International Organisation for Standardisation, December, 1996.
5. U.S. Federal Standard 209E, Airborne particulate cleanliness classes for cleanrooms and clean zones. Washington, September 1992.