TY  - BOOK
AU  - Gregory,Robert H.
AU  - Van Horn,Richard L.
TI  - Automatic data-procesing systems: principles and procedures
U1  - 651.26 
PY  - 1960///
CY  - London
PB  - Chatto and Windus
KW  - Office practice
KW  - Automation
KW  - Business
KW  - Data processing
KW  - Electronic office machines
N1  - Includes index
ER  -