TY  - BOOK
AU  - Couch, Leon W.
TI  - Modern communication systems: principle and applications
U1  - 621.38 
PY  - 1995///
CY  - Englewood Clifts
PB  - Prentice-Hall
KW  - Telecommunication systems
KW  - Digital communications
N1  - Includes index; Bibliography: p. 571-578
ER  -