Konhauser, J. D. E., Velleman, D. J., & Wagon, S. (1996). Which way did the bicycle go?: And other intriguing mathematical mysteries. Mathematical Association of America.
Styl ChicagoKonhauser, Joseph D. E., Daniel J. Velleman, a S. Wagon. Which Way Did the Bicycle Go?: And Other Intriguing Mathematical Mysteries. [Washington, D.C.]: Mathematical Association of America, 1996.
Citace podle MLAKonhauser, Joseph D. E., et al. Which Way Did the Bicycle Go?: And Other Intriguing Mathematical Mysteries. Mathematical Association of America, 1996.
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