TY  - BOOK
AU  - FILIPIAK, ANTHONY S.
TI  - MATHEMATICAL PUZZLES AND OTHER BRAIN TWISTERS
SN  - 0517015447
U1  - 793.73 FIL 
PY  - 1978///
PB  - BELL PUBLISHING CO., - NEW YORK
KW  - PUZZLES, MATHEMATICAL RECREATIONS
ER  -