TY  - BOOK
AU  - Burghall, Tony
AU  - Darby, Michael
AU  - Hartman, Bob
TI  - Developing mathematical imagery :  activites for the classroom . The Schoo Mathematic Project:  
SN  - 0 521 45977 x
U1  - 510 
PY  - 1994///
CY  - New York
PB  - Cambridge  University Press
KW  - Mathematics
ER  -