Montero Carretero, Carlos, and José Luis López Elvira. “Impact Produced by Seoi-Otoshi Technique. Relation to Years in Practice and Judo Rank”. Revista de Artes Marciales Asiáticas 9, no. 1 (April 4, 2014): 32–41. Accessed March 29, 2023. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/1176.