TY  - DATA
AU  - Gardner, Martin
TI  - Aha! gotcha: paradoxes to puzzle and delight 
T2  - Spectrum, 
SN  - 9781470457433 (online)
PY  - 1982///
CY  - San Francisco
PB  - W.H. Freeman
KW  - Mathematical recreations
KW  - Paradox
N1  - Bibliography: p. 161-164
UR  - https://doi.org/10.1090/spec/047
ER  -