TY  - BOOK
AU  - Adams, David R
AU  - Wagner, Gerald E.
AU  - Boyer, Terrence J.
TI  - Computer information systems : : an introduction 
SN  - 0538103507
AV  - QA76.5 .A32 1983
PY  - 1983///
CY  - Cincinnati : 
PB  - South-Western Publishing
KW  - Computers
N1  - Includes index
ER  -