Perline, R. and Tabachnikov, S. (2025) “Geometry of Integrable Linkages”, Journal of Experimental Mathematics, 1(1), pp. 94–123. Available at: https://ticket17180.pkpmisc01.publicknowledgeproject.org/index.php/jem/article/view/Vol-1Issue-1Paper-5 (Accessed: 25 August 2026).