TY  - BOOK
AU  - Kolman, Bernard
AU  - Busby, robert C.
AU  - Ross, Sharon
TI  - Discrete mathematical structures
SN  - 8120311477
U1  - 511 
PY  - 1997///
CY  - New Delhi
PB  - Prentic-Hall of India
N1  - L
ER  -