TY  - BOOK
AU  - Verzello, Robert J.
AU  - Reutter, John.
TI  - Data processing, systems and concepts
SN  - 007067325X :
AV  - QA76 .V484
U1  - 1.64 19
PY  - 1982///
CY  - New York
PB  - McGraw-Hill
KW  - Electronic data processing
ER  -