TY  - BOOK
AU  - Clessa,J.J.
TI  - Math and logic puzzles for PC enthusiasts
T2  - Dover books on mathematical & logical puzzles, cryptography, and word recreations
SN  - 0486291928
AV  - QA95  C54 1996
PY  - 1996///
CY  - New York
PB  - Dover Publications, Inc.
KW  - Lemb
KW  - matemáticas recreativas
ER  -