Nunes, N., R. Kalozdi, S. L. do Amaral, J. E. de Proença, A. M. W. Braga, M. J. N. N. Alves, C. E. Negrão, and C. L. de M. Forjaz. “Efects of the Physical Training, Based in Ergospyrometric Evaluation, in the Aerobic Capacity of Volley Players – Physical Training in Volley Players”. Journal of Physical Education , Vol. 11, no. 1, June 2008, pp. 27-32, https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/3787.