^Harper, Lila Marz (2012), "Flatland in popular culture", in
Sklar, Jessica K.; Sklar, Elizabeth S. (eds.), Mathematics in Popular Culture: Essays on Appearances in Film, Fiction, Games, Television and Other Media, McFarland, pp. 288–303,
ISBN9780786489947. See in particular
pp. 295–296.
^Harper, Lila Marz (2012), "Flatland in popular culture", in
Sklar, Jessica K.; Sklar, Elizabeth S. (eds.), Mathematics in Popular Culture: Essays on Appearances in Film, Fiction, Games, Television and Other Media, McFarland, pp. 288–303,
ISBN9780786489947. See in particular
pp. 295–296.