The 1931 international code of signals, vol. 2.

Bibliografiske detaljer
Institution som forfatter:	Gt. Brit Board of Trade
Andre forfattere:	International code of signals
Format:	Bog
Sprog:	engelsk
Udgivet:	Washington United States Govt. Printing Office 1933.
Udgivelse:	American ed.
Serier:	U. S. Hydrographic Office. Publication no. 87-88.
Fag:	Signals and signaling. Merchant marine > Signaling.