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- 52009444 contributor B1229667.
- 52009444 created "1952.".
- 52009444 date "1952".
- 52009444 date "1952.".
- 52009444 dateCopyrighted "1952.".
- 52009444 description "Bibliography: p. 199-208.".
- 52009444 extent "xi, 221p.".
- 52009444 issued "1952".
- 52009444 issued "1952.".
- 52009444 language "eng".
- 52009444 publisher "New York, McGraw-Hill,".
- 52009444 subject "384.5".
- 52009444 subject "HE8667 .J65".
- 52009444 subject "Radio frequency allocation".
- 52009444 title "Radio spectrum conservation; a program of conservation based on present uses and future needs. A report of the Joint Technical Advisory Committee, IRE-RTMA.".
- 52009444 type "text".