Sist, P., Urbani, R. Julkaisussa Scientific Journal of Sport and Performance (2022)
Ogawa, S., Imada, Y., Akutsu, K., Yoshino, S., Sugimoto, R., Seki, T. Julkaisussa Association for the Scientific Studies on Judo, Kodokan (1958)
Ikai, M. Julkaisussa Association for the Scientific Studies on Judo, Kodokan (1958)