TY  - BOOK
AU  - Kahan, Steven.
TI  - Have some sums to solve: The compleat alphametics book 
SN  - 8173711372
U1  - 511.313 KAH 
PY  - 1998///
CY  - Hyderabad
PB  - Universities press
KW  - Mathematical recreations
KW  - GAMES
KW  -  Reference
ER  -