TY  - BOOK
AU  - Beyda, William.J
TI  - Data communications , from basics to broadband
SN  - 9788131788189
U1  - 004.6 BEY 
PY  - 2012///
CY  - INDIA
PB  - PEARSON EDUCATION
KW  - DATA COMMUNICATIONS.DATA COMMUNICATIONS-FROM BASICS TO BROADBAND
ER  -