TY  - BOOK
AU  - Gardner, Martin
TI  - Mathematical Puzzles and Diversions
U1  - 510 
PY  - 1976///
CY  - EKLM INV. 1693
PB  - Un Known
KW  - GENERAL STACK
KW  - NATURAL SCIENCE& MATHEMATICS
KW  - MATHEMATICSGeneralia
ER  -