TY  - BOOK
AU  - Erickson, Martin J
TI  - Aha! Solutions
SN  - 9780883858295
U1  - 510.76 ERI 
PY  - 2009///
CY  - Washington, DC
PB  - Mathematical Association of America
KW  - Mathematics - Problems, exercises, etc
KW  - Problem solving
N1  - Includes bibliographical references (p. 197-198) and index
ER  -