AU  - GARDNER,MARTIN
TI  - THE UNEXPECTED HANGING AND OTHER MATHEMATICAL DIVERSIONS: A CLASSIC COLLECTION OF PUZZLES AND GAMES FROM SCIENTIFIC AMERICAN 
SN  - 0226282562
U1  - 793.74/GAR 
PY  - 1991///
CY  - ILLINOIS, USA
PB  - THE UNIVERSITY OF CHICAGO PRESS
KW  - RECREATION
KW  - MATHEMATICAL GAMES
ER  -