Estados Unidos da América.
The 1931 Internacional Code of Signals
The 1931 Internacional Code of Signals;
/ by the Hydrographic Office Under Authority of the Secretary of the Navy.
- American edit.
- Washington : Government Printing Office, 1933.
- vol. ; 27 cm.
- (Hydrographic Office : 88))
- Vol. 2: For Radio Signaling. - XVII, 418 p. . -
Navegação Norte Americana--guia /
CDU 656.61(73)(083)
