Matveenko, Valeriy Pavlovich, et al. “Development of Finite-Element Models of Human Skeleton Bones and Their Application to the Natural Vibration Problem”. Computational Continuum Mechanics, vol. 5, no. 3, Oct. 2012, pp. 308-12, https://doi.org/10.7242/1999-6691/2012.5.3.36.