TY  - BOOK
AU  - Lovis,F.B.
TI  - Computers 1: with an introduction to binary arithmetic
T2  - contemporary school mathematics, first series
U1  - 371.334/L896c 
PY  - 1964///, repr. 1972
CY  - London
PB  - Edward Arnold
KW  - Education
KW  - computer assisted instruction
ER  -