3M Corporation brochure entitled "911 Heated Ionized Air Blower" and carrying no date (2 pages). |
Don Yenni, "Basic Electrical Considerations in the Design of a Static-Safe Work Environment, dated 1979, (12 pages). |
James R. Huntsman et al., "Charge Drainage vs Voltage Suppression by Static Control Table Tops", Mar. 1982 (3 pages). |
L. J. Herauf, "Measurement of Ion Distribution in Ionized Air" (carries no date) (2 pages). |
Sales brochure of Ion Systems, Inc., entitled "IONOSPHERE The Ultimate Air Purifier" and carrying no date (1 page). |