TY  - BOOK
AU  - Gregory,Robert H.
AU  - Van Horn,Richard Linley
TI  - Automatic data-processing systems: principles and procedures 
U1  - 657.26 
PY  - 1960///
CY  - San Francisco
PB  - Wadsworth Pub. Co.
KW  - Electronic data processing
N1  - Includes bibliographies and index
ER  -