TY  - BOOK
AU  - Iyengar, N. 
TI  - Discrete Mathematics
U1  - 511.1LYE 
PY  - 2004///
CY  - New Delhi
PB  - Vikas Publishing House
UR  - http://books.google.com.pk/books/about/Discrete_Mathematics.html?id=XTSmcBYz0SYC&redir_esc=y
ER  -