TY  - BOOK
AU  - Williams Brian K
AU  -  Sawyer Stacey C
TI  - Using information technology :  A practical introduction to computers and communications   
SN  - 0072398035
U1  - D6,9(B), P1/TD3 
PY  - 2001///
CY  - Boston
PB  - McGraw Hill         
N1  - Appendix : P 435-466
ER  -