TY  - BOOK
AU  - Duck Michael 
TI  -  Data communications and Computer Networks: For computer scientists and Engineers 
SN  - 9788131726082
U1  - 004.6 
PY  - 2016///
CY  - Delhi
PB  - Pearson
KW  - OSI (Computer network standard)
KW  - Computer networks
KW  - Data transmission systems
N1  - Include Index
ER  -