TY  - BOOK
AU  - Gardiner, A
TI  - Extension mathematics
SN  - 9780199151509
SN  - 200753102
U1  - 510 GAR 
PY  - 2007///
CY  - Oxford
PB  - Oxford University Press
KW  - Gifted children - Education
KW  - Mathematics - Study and teaching (Elementary)
ER  -