Monitoring of harmful intereference to the HF broadcasting service microform : summary of monitoring programs held between 1984 and 1989 / Mary W. Sowers, Gregory R. Hand (NTIA report ; 90-262)
Monitoring of harmful intereference to the HF broadcasting service microform : summary of monitoring programs held between 1984 and 1989 / Mary W. Sowers, Gregory R. Hand
原資料の出版事項: Boulder, Colo. ; Springfield, VA : U.S. Dept. of Commerce, National Telecommunications and Information Administration : For sale by the National Technical Information Service, [1990]