TY  - BOOK
TI  - Telecommunications / : by Colin Hynson.  
U1  - CIR 621.382 H998 2000 
PY  - 2000///.
CY  - Hauppauge, NY : 
PB  - Barron's Educational Series, 
KW  - 1. Telecommunications
N1  - Includes glossary and index

ER  -