TY  - BOOK
AU  - Schnake, M.A.
TI  - Data-processing concepts
SN  - 0070533904
U1  - 004 21st ed.
PY  - 1973///
CY  - New York
PB  - McGraw-Hill
KW  - Electronic data processing
KW  - Electronic digital computers
N1  - Index: pp 474-83
ER  -