TY  - BOOK
AU  - Walsh,William W.
AU  - Ellison,Ted R.
TI  - Data systems--design and management
SN  - 0876202032
PY  - 1975///
CY  - Calif
PB  - Goodyear Pub. Co., Pacific Palisades
KW  - Business
KW  - Data processing
KW  - System analysis
KW  - System design
N1  - Includes bibliographies
ER  -