Okano, A. H., F. O. Carvalho, E. S. Cyrino, L. A. Gobbo, M. Romanzini, M. F. Glaner, F. F. Reichert, and A. Avelar. “Use of the Cescorf Skinfold Caliper to Estimate Relative Fatness from Equations Validated With the Lange Caliper”. Journal of Physical Education (Maringá), Vol. 19, no. 3, Dec. 2008, pp. 431-6, https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/6000.