TY  - BOOK
AU  - Gardner,Martin
TI  - Aha! gotcha: paradoxes to puzzle and delight 
SN  - 0716713616 (pbk.)
AV  - QA95 .G24
U1  - 793.7/4 19
PY  - 1982///
CY  - New York
PB  - J.H. Freeman
KW  - Mathematical recreations
KW  - Paradox
N1  - Bibliography: p. 161-164
ER  -