Jimenez-Olmedo, Jose Manuel, and Alfonso Penichet-Tomas. “Blocker’s Activity at men’s European Beach Volleyball University Championship (Actividad De Los Bloqueadores Durante El Campeonato De Europa Universitario De vóley Playa)”. Retos 32 (July 1, 2017): 252–255. Accessed December 8, 2025. http://www.revistaretos.org/index.php/retos/article/view/56076.