TY  - BOOK
AU  - Cole,Marion
TI  - Introduction to telecommunications: voice, data, and the Internet 
SN  - 9788131705063
AV  - TK5101 .C63496 2002
U1  - 621.382 21
PY  - 2008///
CY  - Delhi
PB  - Pearson Education
KW  - Telecommunication
N1  - Includes index
ER  -