ISBN 1-55953-317-X. . ↑ Henderson, David; Taimina, Daina (2001), "Crocheting the hyperbolic plane" (PDF), Mathematical Intelligencer, 23 (2): 17–28, doi:10.1007/BF03026623 }. ↑ Osinga, Hinke M.; Krauskopf, Bernd (2004), "Crocheting the Lorenz manifold", Mathematical Intelligencer, 26 (4): 25–37, doi:10.1007/BF02985416 . ↑ belcastro, sarah-marie; Yackel, Carolyn (2009), "The seven-colored torus: mathematically interesting and nontrivial to construct", in Pegg, Ed, Jr.; Schoen, Alan H.; Rodgers, Tom, Homage to a Pied Puzzler, AK Peters, pp. 25–32 . ↑ Bloxham, Andy (March 26, 2010), "Crocheting Adventures with Hyperbolic Planes wins oddest book title award", The Telegraph . ↑ Gillow, John, and Bryan Sentance.