TY  - BOOK
AU  - Black, Uyless
TI  - Computer networks: protocols, standards and interfaces. --2nd ed
SN  - 8120310411
AV  - TK 5105.5 Bla 
PY  - 2000///
CY  - New Delhi
PB  - FT Prentice-Hall
KW  - COMPUTERS
ER  -