Zago, Matteo, Daniela Ciprandi, Felice Corrado, Stefano Pisu, Giulia Rausa, Virgilio Ferruccio Ferrario, and Chiarella Sforza. 2017. “Can Experience in Karate Be Estimated by Principal Component Analysis?”. Italian Journal of Anatomy and Embryology 121 (1):205. https://oajournals.fupress.net/index.php/ijae/article/view/2343.