TY  - DATA
AU  - Henle, Michael.
AU  - Hopkins, Brian.
TI  - Martin Gardner in the twenty-first century 
T2  - Spectrum, 
SN  - 9781614448013 (online)
PY  - 2012///
CY  - [Washington, D.C.]
PB  - Mathematical Association of America
KW  - Mathematical recreations
N1  - Includes bibliographical references and index
UR  - https://doi.org/10.5948/UPO9781614448013
ER  -