TY  - BOOK
AU  - Black, Uyless D
AU  - Black, Uyless D
TI  - Data communications and distributed networks
SN  - 9788120309258
U1  - 004.6 BLA/DAT 
PY  - 2009///
CY  - New Delhi
PB  - PHI learning Private limited 
KW  - COMPUTER SCIENCE AND ENGINEERING
ER  -