Do Cellular and Other Wireless Devices Interfere with Sensitive Medical Equipment?: Hearing Before the Information, Justice, Transportation, and Agriculture Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Third Congress, Second Session, October 5, 1994
United States. Congress. House. Committee on Government Operations. Information, Justice, Transportation, and Agriculture Subcommittee
Jan 1997 ยท U.S. Government Printing Office