The invisible resource : use and regulation of the radio spectrum /
Levin, Harvey J. 1924-
The invisible resource : use and regulation of the radio spectrum / by Harvey J. Levin. - Baltimore : Published for Resources for the Future by the Johns Hopkins Press, 1971. - xxi, 432 p. : illus. ; 24 cm.
Includes fold. sheet (col. illus.)'The electromagnetic spectrum' in pocket available at Cawangan Alat Pandang Dengar under the same call number.
0801813166
Radio frequency allocation--United States.
Radio--United States--Laws and legislations.
The invisible resource : use and regulation of the radio spectrum / by Harvey J. Levin. - Baltimore : Published for Resources for the Future by the Johns Hopkins Press, 1971. - xxi, 432 p. : illus. ; 24 cm.
Includes fold. sheet (col. illus.)'The electromagnetic spectrum' in pocket available at Cawangan Alat Pandang Dengar under the same call number.
0801813166
Radio frequency allocation--United States.
Radio--United States--Laws and legislations.