TY  - BOOK
AU  - Shelly,Gary B.
AU  - Cashman,Thomas J.
AU  - Waggoner,Gloria A
TI  - Computer concepts
T2  - The Shelly and Cashman series. 
SN  - 9780878353569 
PY  - 1990///
CY  - [Boston] : 
PB  - Boyd & Fraser Publishing Company., 
KW  - Computers.
N1  - Includes Index
ER  -