TY  - BOOK
AU  - Vecchione, Glen
TI  - Challenging math puzzles: Glen Vecchione; 
U1  - KID 793.73 V491 
PY  - 0000///c?
CY  - New Delhi : 
PB  - Goodwill Pub. House.  
KW  - Mathematical recreation
N1  - Includes index

ER  -