TY  - BOOK
AU  - Zimmermann,Walter
AU  - Cunningham,Steve
ED  - Mathematical Association of America.
TI  - Visualization in teaching and learning mathematics: a project 
SN  - 0883850710
AV  - QA 11 
PY  - 1991///
CY  - Washington, D.C.
PB  - Mathematical Association of America
KW  - Mathematics
KW  - Study and teaching
KW  - Visualization
N1  - Includes bibliographical references
ER  -