↑ Clifford A. Pickover (2006). The Möbius Strip : Dr. August Möbius's Marvelous Band in Mathematics, Games, Literature, Art, Technology, and Cosmology. Thunder's Mouth Press. ISBN1560258268. Unknown parameter |month= ignored (help)
↑ Rainer Herges (2005). Möbius, Escher, Bach – Das unendliche Band in Kunst und Wissenschaft . In: Naturwissenschaftliche Rundschau 6/58/2005. pp. 301–310. ISSN 0028-1050.
↑ Chris Rodley (ed.) (1997). Lynch on Lynch. London, Boston. p. 231.CS1 maint: extra text: authors list (link)
