TY  - BOOK
AU  - Desmond Ballard
TI  - Discrete Mathematics
SN  - 978-1-63549-565-2
U1  - Cir. 004.015 D611 C2017 
PY  - 2017///
CY  - New York, USA: 
PB  - Larsen & Keller Education; 
ER  -