TY  - GEN
AU  - Black, Uyless D.
TI  - Data Communications :  and Distributed Networks
SN  - 8120309251
U1  - 005.71 
PY  - 1993///
CY  - New Delhi
PB  - Prentice-Hall of India Pvt ltd
KW  - Computer Programming
KW  - Data
ER  -