TY  - BOOK
AU  - Paul, Zeitz
TI  - THE ART AND CRAFT OF PROBLEM SOLVING
SN  - 978047 1 7890 1 7
PY  - 2007///
CY  - US
PB  - John Wiley & Sons
UR  - http://opac.dbit.in/cgi-bin/koha/opac-retrieve-file.pl?id=f9d0cd4eb555c59e7d704180d49c61b0
ER  -