Casal-Sanjurjo, C. A., M. Ángel Andujar, A. Ardá, R. Maneiro, A. Rial, and J. L. Losada. “Multivariate Analysis of Defensive Phase in Football: Identification of Successful Behavior Patterns of 2014 Brazil FIFA World Cup”. Journal of Human Sport and Exercise, vol. 16, no. 3, July 2021, pp. 503-16, doi:10.14198/jhse.2021.163.03.