TY  - BOOK
AU  - Schaffer,Cullen
TI  - Principles Computer Science 
SN  - 013710096
U1  - 001.6 
PY  - 1988///
CY  - London: 
PB  - Prentice Hall International Editions , 
KW  - Algebra
KW  - Computer Science
KW  - Electricity
KW  - Wider Gates
ER  -