TY  - BOOK
AU  - Tony, Crilly
TI  - 50 mathematical ideas
SN  - 978 1 84724 008 8
PY  - 2007///
CY  - London
PB  - Quercus Publishing
UR  - http://opac.dbit.in/cgi-bin/koha/opac-retrieve-file.pl?id=314b5b57b66a9854437f48b840e95378
ER  -