The Online Books Page

Books by John F. Shafer:

Books in the extended shelves:

• Shafer, John F.: Field strength levels in vehicles resulting from communications transmitters (The Institute, 1984), also by National Institute of Justice (U.S.) and Law Enforcement Standards Laboratory (page images at HathiTrust)
• Shafer, John F.: Personal radio guide : 203-83 (Office of Development, Testing, and Dissemination, National Institute of Justice, U.S. Dept. of Justice, 1984), also by Testing National Institute of Justice (U.S.). Office of Development and Law Enforcement Standards Laboratory (page images at HathiTrust)
• Shafer, John F.: Surveys of electromagnetic field intensities near representative higher-power FAA transmitting antennas (Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Service ;, 1977), also by Ezra B. Larsen and United States. Federal Aviation Administration. Systems Research and Development Service (page images at HathiTrust)

Find more by John F. Shafer at your library, or elsewhere.