TY  - BOOK
AU  - Coates,R.F.W.
TI  - Modern communication systems
SN  - 0333333446 (cased)
PY  - 1983///, c1982
CY  - London : 
PB  - Macmillan, 
KW  - Telecommunication systems
N1  - Previous ed.: 1975; Bibliography: p389-392. _ Includes index
ER  -