TY  - BOOK
AU  - Gallanger, Robert.
TI  - Data networks
SN  - 9788131701041
U1  - 004.6 
PY  - 1992///,
CY  - New Delhi: 
PB  - Prentice-Hall of India Pvt.Ltd.. 
KW  - Computer networks
KW  - Data transmission systems
KW  - Communication network
ER  -