TY  - GEN
AU  - Kolman, Bernard
AU  - Busby, Robert C 
TI  - Discrete mathematical structures/4th ed
U1  - 519.854 
PY  - 2003///
CY  - New Delhi
PB  - Prentice Hall
KW  - 519.854
KW  - CS/IT 303
ER  -