TY  - BOOK
AU  - Kolman, Bernard ; Busby, Robert C and Ross,  Sharon
TI  - Discrete mathematical structures
SN  - 9788120311473
AV  - 3508 
U1  - 511.6 22
PY  - 2000///
CY  - New Delhi
PB  - Prentice-Hall of India
ER  -