Joe Buhler, David Eisenbud, Ron Graham and Colin Wright: Juggling drops and descents, American Mathematical Monthly 101, (no. 6) 1994, 507 - 519 http://www.cecm.sfu.ca/organics/papers/buhler/
http://www.juggling.org/help/siteswap/
Prüfung (Zulassung) http://www.imn.htwk-leipzig.de/~waldmann/edu/current/case/zulassung/liste.text