TY  - BOOK
AU  - Black,Uyless D.
TI  - Data communications and distriibuted networks
SN  - 81 203 0925 1
AV  - SBL TK 5105  B53 1993
PY  - 1993///
CY  - New Delhi
PB  - Prentice hall of India
KW  - Data communication
ER  -