TY  - BOOK
AU  - Smullyan, RM
TI  - Logical labyrinths
SN  - 9781568814438
U1  - 510.63 
PY  - 2009///
CY  - wellesley
PB  - A K Peters
KW  - LOGIC, SYMBOLIC AND MATHEMATICAL
KW  - MATHEMATICAL RECREATION
KW  - PUZZLES
N1  - Ref. sec
ER  -