TY  - DATA
AU  - Gardner, Martin
TI  - Riddles of the sphinx, and other mathematical puzzle tales 
T2  - Anneli Lax New Mathematical Library, 
SN  - 9780883859476 (online)
PY  - 1987///
CY  - Washington, D.C.
PB  - Mathematical Association of America
KW  - Mathematical recreations
UR  - https://www.ams.org/nml/032
ER  -