Besson, J. ., Leriche, R., Foerch, R. ., & Cailletaud, G. . (1998). Object-Oriented Programming Applied to the Finite Element Method Part II. Application to Material Behaviors. European Journal of Computational Mechanics, 7(5), 567–588. Retrieved from https://journals.riverpublishers.com/index.php/EJCM/article/view/3079