TY  - BOOK
AU  - Walsh W W
AU  - Ellison T R
TI  - Data systems: design and management
U1  - 651.26 
PY  - 1975///
CY  - California
PB  - Goodyear pub co
KW  - Data system
KW  - Design
KW  - Management
KW  - Office automation
ER  -