TY  - GEN
AU  -     Benjamin, Arthur
AU  -  Arthur Benjamin
TI  - Secrets of mental math : the mathemagician's guide to lightning calculation and amazing math tricks
SN  - 9780307338402
U1  - 510 
PY  - 2006///
CY  - USA
PB  - Three Rivers Press
KW  - Mental calculators
ER  -