TY  - BOOK
AU  - Schaffer, Cullen
TI  - Principles of computer science
SN  - 013709759
AV  - QA76 .S33 1988
PY  - 1988///
CY  - Englewood Cliffs, New Jersey
PB  - Prentice Hall
KW  - Computers
KW  - Electronic data processing
N1  - Includes index
ER  -