TY  - BOOK
AU  - Star,Ralph M.
TI  - Principles of data processing :  : concepts, applications, and cases
SN  - 0-256-02484-7
AV  - QA76.S737 
PY  - 1981///
CY  - Homewood, Illinois
PB  - Richard D. Irwin
KW  - Electronic data processing
N1  - Includes bibliographical references
ER  -