TY  - BOOK
AU  - Gardner,Martin
TI  - The last recreations: hydras, eggs, and other mathematical mystifications 
SN  - 0387949291 (hardcover : alk. paper)
AV  - QA95 .G255 1997
PY  - 1997///
CY  - New York
PB  - Copernicus
KW  - Mathematical recreations
N1  - Includes index
ER  -