TY  - BOOK
AU  - Bohl, Marilyn
TI  - Essentials of information processing
SN  - 0574219005
U1  - 004 21st ed.
PY  - 1986///
CY  - Chicago
PB  - Science Research Associates
KW  - Electronic data processing
N1  - Index: p. 445-61
ER  -