TY  - BOOK
AU  - Ollerton,Mike
TI  - 30 years on: numbers evetywhere, turning the tables and 15 starters revisited 
SN  - 1898611181
PY  - 2002///
CY  - Derby
PB  - Associatin of Teachers of Mathematics
KW  - Mathematical recreations
KW  - sears
KW  - Mathematics
KW  - Numbers
ER  -