TY  - BOOK
AU  - Peterson ,Larry L.
AU  - Davie,Bruce S.
TI  - Computer networks: a systems approach 
SN  - 9789380501932
U1  - 004.65 23
PY  - 2015///
CY  - New Delhi
PB  - Elsevier
KW  - Computer networks
N1  - Includes bibliographical references and index
ER  -