TY  - BOOK
AU  - Herr,Ted,.
AU  - Johnson,Ken
TI  - Problem solving strategies: crossing the river with dogs  and other mathematical adventures 
SN  - 1-55953-069-3
AV  - QA63 .H37 1994
PY  - 1994///
CY  - Berkeley, Calif.
PB  - Key Curriculum Press
KW  - Problem solving
KW  - Mathematics
N2  - Math text focusing on problem solving techniques
ER  -