Rogers, Francis M., 1914-1989
Voice Radio Communication on an international basis
Voice Radio Communication on an international basis;
/ by Francis Millet Rogers.
- [S.l.] : Department of State, Telecommunications Division, [1945?].
- 6 p. ; 27 cm.
- (Serial nº 239. : 35))
Telecomunicaçöes /
CDU 654.195(041)
