TY  - BOOK
AU  - BARR,Stephen
TI  - Intriguing Puzzles in Math and Logic
SN  - 0-486-28311-9
U1  - 510. 
PY  - 1994///
CY  - New York
PB  - Dover Publications
KW  - 0
KW  - Grade 7-9
ER  -