TY  - DATA
AU  - Vaderlind, Paul.
AU  - Guy, Richard K.
AU  - Larson, Loren C.
TI  - The inquisitive problem solver 
T2  - Problem Books, 
SN  - 9781470457075 (online)
PY  - 2002///
CY  - Washington, DC
PB  - Mathematical Association of America
KW  - Mathematics
UR  - https://doi.org/10.1090/prb/009
ER  -