TY  - BOOK
AU  - Horak Ray 
TI  - Communications Systems & Networks
U1  - 621.3821 
PY  - 2002///
CY  - Delhi
PB  - wiely dreamtech
KW  - Communications Systems & Networks
KW  - Telecommunication Networks
N1  - Technical Book Services7644/02-03; 2097988
ER  -