TY  - BOOK
AU  - Rosen,Kenneth H.
TI  - Discrete mathematics and its applications
SN  - 0070648247 (paperback)
PY  - 2006///
CY  - [S.l.]
PB  - TBS
UR  - http://www.amazon.com/exec/obidos/ASIN/0070648247/chopaconline-20
ER  -