Origami 6 : proceedings of the sixth International Meeting on Origami Science, Mathematics, and Education / Koryo Miura, Toshikazu Kawasaki, Tomohiro Tachi, Ryuhei Uehara, Robert J. Lang, Patsy Wang-Iverson, editors. - Miura, Koryo, 1930-; Kawaskai, Toshikazu; Tachi, Tomohiro; Uehara, Ryuhei; Lang, Robert J. (Robert James), 1961- (American Mathematical Society, 2015)