TY  - GEN
AU  - Smullyan, Raymond M. 
TI  - The Godelian puzzle book: puzzles, paradoxes and proofs
SN  - 9780486497051
U1  - 793.74 SMU/G 
PY  - 2013///
CY  - New York
PB  - Dover Publications
KW  - Logic puzzles.
KW  - Mathematical recreations.
KW  - Godel's theorem.
ER  -