TY  - GEN
AU  - Wallis, W.D 
TI  - A beginner’s guide to discrete mathematics
SN  - 9780817682859
U1  - 510 
PY  - 2003///
CY  - USA
PB  - Birkhuser
N1  - 1. Properties of numbers
2. Sets and data structures
3. Boolean algebras and circuits
ER  -