TY  - GEN
AU  - SAWYER, C. S
AU  - Brian K. Williams
TI  - Using Information Technology : A Practical Introduction to Computers & Communications
SN  - 0-07-288290-5
U1  - 004 SAW 
PY  - 2005///
CY  - New York
PB  - McGraw-Hill Irwin 
ER  -