TY  - BOOK
AU  - Wallis W D
TI  - Beginner's guide to discrete mathematics
SN  - 0817642692 (pbk)
U1  - B0bD65,8(B), P3  TB 
PY  - 2003///
CY  - Boston
PB  - Birkhauser         
KW  -  Discrete Mathematics
KW  - Mathematics
N1  - Index 363-367p
ER  -