TY  - BOOK
AU  - Forouzan, Behrouz A.
TI  - Data communications and networking: _
SN  - 9781259064753
U1  - 004.6 
PY  - 2013///-R2019
CY  - Chennai
PB  - McGraw-Hill
KW  - 
KW  - Computer networks
KW  - Data transmission systems
N1  - Includes bibliographical references and index.  18th reprint 2019
ER  -