Alipour, A., Wulfinghoff, S., Bayat, H. R., Reese, S., & Svendsen, B. (2018). The concept of control points in hybrid discontinuous Galerkin methods—Application to geometrically nonlinear crystal plasticity. International Journal for Numerical Methods in Engineering, 114(5), 557-579. doi:10.1002/nme.5754.