TY  - GEN
AU  - Davis,William S.
TI  - Information processing systems
SN  - 0201031833 :
AV  - QA76 dav
PY  - 1981///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Electronic data processing
KW  - Electronic digital computers
ER  -