Koch, Christina, and Markus Tilp. “Analysis of Beach Volleyball Action Sequences of Female Top Athletes”. Journal of Human Sport and Exercise 4, no. 3 (September 29, 2009): 272–283. Accessed June 15, 2024. https://www.jhse.ua.es/article/view/2009-v4-n3-analysis-of-beach-volleyball-action-sequences-of-fema.