TY  - BOOK
T1  - Visula Signaling: Signal Corps. United States army, 1910
T2  - Manual ;
PP  - Washington
PB  - Government Printing Office
YR  - 1910
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.144333
OP  - 133
ER  -