TY  - BOOK
AU  - Mueller,Francis J.
TI  - Arithmetic: its structure and concepts
AV  - QA135 .M74
U1  - 511.07 
PY  - 1956///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Arithmetic
KW  - Study and teaching
ER  -