TY  - BOOK
AU  - Gardner,Martin
TI  - Mathematical circus: more games, puzzles, paradoxes, and other mathematical entertainments from Scientific American; with thoughts from readers, afterthoughts from the autor, and 105 drawing & diagrams 
PY  - 1979///
CY  - New York
PB  - Knopf
KW  - Mathematical recreations
N1  - " Most of this book originally appeared in slightly different form in sientific American"; Includes bibliography; Open access
ER  -