Fernández-Villarino, M. A., A. Hernaiz-Sánchez, E. Sierra-Palmeiro, and M. Bobo-Arce. “Performance Indicators in Individual Rhythmic Gymnastics: Correlations in Competition”. Journal of Human Sport and Exercise, vol. 13, no. 3, Sept. 2018, pp. 487-93, doi:10.14198/jhse.2018.133.01.