TY  - BOOK
AU  - Brown, John 
AU  - Glazier, E. V. D. 
TI  - Telecommunications
U1  - 621.38216 23
PY  - 1975///
CY  - London
PB  - Chapman & Hall Ltd.
KW  - Telecommunication
N1  - Includes Bibliographical references and index
ER  -