TY  - BOOK
AU  - Mandell,Steven L.
TI  - Principles of data processing
SN  - 0829903925
U1  - 001.64 19
PY  - 1981/// [reprinted 1982]
CY  - St. Paul
PB  - West Pub. Co.
KW  - Electronic data processing
N1  - Includes index
ER  -