TY  - GEN
AU  - Ensley,Douglas E.
AU  - Crawley,J.Winston
TI  - Discrete mathematics : mathematical reasoning and proof with puzzles, patterns, and games: mathematical reasoning and proof with puzzles, patterns, and games 
SN  - 0471476021
U1  - 511/.1 
PY  - 2006///
CY  - Hoboken, NJ
PB  - Wiley
KW  - Logic, Symbolic and mathematical
KW  - Mathematical recreations
KW  - Computer science
KW  - Mathematics
UR  - http://www.loc.gov/catdir/toc/ecip0514/2005017417.html
UR  - http://www.loc.gov/catdir/enhancements/fy0622/2005017417-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0653/2005017417-b.html
ER  -