TY  - BOOK
AU  - Rosen, Kenneth H.,
TI  - Descrete mathematics and its applications : with combinatorics and graph theory
SN  - 9780070648241
U1  - 510 ROS 
PY  - 2009///
CY  - New Delhi
PB  - Tata Mcgraw Hill.
N1  - Includes author index.
ER  -