TY  - BOOK
AU  - Handley,Bill
TI  - Speed mathematics: secret skills for quick calculation 
SN  - 0471467316
PY  - 2003///
CY  - Hoboken, N.J.
PB  - Wiley
KW  - Mental arithmetic
N1  - Includes index
UR  - http://www.loc.gov/catdir/toc/wiley041/2004297402.html
ER  -