Potential health effects of video display terminals and radio frequency heaters and sealers : hearings before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, May 12, 13, 1981.
United States.Congress.House.Committee on Science and Technology.Subcommittee on Investigations and Oversight.
Washington : USGPO,
1981.
No. 97-13
Information display systems.