Clemente, F.M., José, F., Oliveira, N., Martins, F.M.L., Mendes, R.S., Figueiredo, A.J., Wong, D.P. and Kalamaras, D. 2017. Network structure and centralization tendencies in professional football teams from Spanish La Liga and English Premier Leagues. Journal of Human Sport and Exercise. 11, 3 (Mar. 2017), 376–389. DOI:https://doi.org/10.14198/jhse.2016.113.06.