TY  - BOOK
AU  - Torrieri, Don J.,
TI  - Principles of secure communication systems
T2  - The artech house communication and electronic defense library
SN  - 0890061394
AV  - UA940 T67
PY  - 1985///
CY  - Norwood, maryland
PB  - Artech
KW  - Comunicaciones militares
ER  -