TY  - BOOK
AU  - Kolman, B
AU  - Busby, RC
TI  - Discrete mathematical structures
SN  - 8177581201
U1  - 512.817 
PY  - 2007///
CY  - New Delhi
PB  - Pearson Prentice Hall
KW  - COUNTING
KW  - DIGRAPHS
KW  - DISCRETE MATHEMATICS-STRUCTURES
KW  - LOGIC
KW  - TREES
ER  -