TY  - BOOK
ED  - Cuisenaire Company of America
TI  - Calculator explorations and problems
SN  - 0914040758
U1  - 510.78 23
PY  - 1979///.
CY  - New York: 
PB  - Cuisenaire Company of America, 
KW  - Mathematics
KW  - Mathematics laboratories
ER  -