TY  - BOOK
T1  - Improving the arithmetic program.
DA  - [1957]
CY  - New York,
AU  - Brueckner, Leo J.
CN  - QA135 .B8884
CN  - QA135
PB  - Appleton-Century-Crofts
PP  - New York,
PY  - [1957]
ID  - 58537
KW  - Arithmetic
TI  - Improving the arithmetic program.
ER  -