TY  - BOOK
AU  - Nelson,Gilbert D.
AU  - Grime,H.E.
TI  - Making mathematics work
T2  - Riverside mathematics series
AV  - QA106 .N38 1955
U1  - 510 
PY  - 1955///]
CY  - Boston
PB  - Houghton Mifflin
KW  - Arithmetic
ER  -