TY  - BOOK
AU  - Gardner,Martin
TI  - Further mathematical diversions: the paradox of the unexpected hanging and others 
SN  - 0047930152 (pbk.)
PY  - 1970///
CY  - London
PB  - George Allen &Unwin Ltd.
KW  - Mathematical diversion
N1  - Includes bibliographical references
ER  -