TY  - BOOK
AU  - Ellsworth,T.P.
AU  - Serstad, W. H.
ED  - United States.
TI  - USCG group control and communications system study: Coast Guard organization manual 
U1  - 353.007 
PY  - 1974///
CY  - Washington
PB  - Dept. of Transportation, Coast Guard
KW  - Communiction systems
KW  - Coast Guard
KW  - United States
KW  - Telecommunications
N1  - Cover title; Loose-leaf for updating
ER  -