TY  - BOOK
AU  - Buswell,Guy Thomas
AU  - Brownell, William A.
AU  - Sauble, Irene
TI  - Arithmetic we need. 
AV  - QA106 .B88
PY  - 1955///-56]
CY  - Boston
PB  - Ginn
KW  - Arithmetic
N1  - Includes an index
ER  -