TY  - BOOK
AU  - Filipiak,Anthony S.
TI  - Mathematical puzzles, and other brain twisters
PY  - 1962///
CY  - New York
PB  - Bell Pub. Co.
KW  - Puzzles
KW  - Mathematical recreations
N1  - First published under title: 100 puzzles, how to make and how to solve them
ER  -