TY  - BOOK
AU  - BLACK, UYLESS D.
TI  - DATA COMMUMNICATION & DISTRIBUTED NETWORK
SN  - 8120309251
U1  - 005.71/BLA 
PY  - 2004///
CY  - NEW DELHI.
PB  - PRENTICE HALL OF INDIA PVT. LTD., NEW DELHI.
ER  -