TY  - BOOK
AU  - Peterson,Larry L.
AU  - Davie,Bruce S.
TI  - Computer networks: a system approach 
SN  - 0123740134 :
AV  - TK5105.5 .P48 2007
PY  - 2007///
CY  - New Delhi
PB  - Elsevier
KW  - Computer networks
ER  -