TY  - BOOK
AU  - Szymanski,Robert A.
TI  - Introduction to computers and information systems
AV  - QA76 .I57 1991
U1  - 004 20
PY  - 1991///
CY  - New York
PB  - Macmillan 
KW  - Computers
KW  - Electronic data processing
N1  - Includes index
ER  -