TY  - BOOK
AU  - Coates,R.F.W.
TI  - Modern communication systems
U1  - 621.38 
PY  - 1975///
CY  - London
PB  - Macmillan
KW  - Telecommunication systems
KW  - Modulation (Electronics)
KW  - Electronic systems
N1  - Includes index; Bibliography: p. 287-289
ER  -