TY  - BOOK
AU  - Hutchinson,Sarah E.
AU  - Sawyer,Stacey
TI  - Computers, communications and information: a user's introduction : comprehensive version 
SN  - 0072297441
PY  - 2000///
CY  - Boston
PB  - Mc Graw Hill
KW  - Computers
KW  - Telecommunication systems
KW  - Information technology
ER  -