TY  - BOOK
AU  - Sawyer,Stacey C
TI  - Using infor mation tchnology: a practial introduction to computers and communecations 
SN  - 0256209804
AV  - QA76 .5 1997
PY  - 1997///
CY  - Boston
PB  - Mc Graw Hill
KW  - Computers
KW  - Telecommunications systems
KW  - Information techonlogy
N1  - Includes index
ER  -