Dabulytė, J., F. Ivanauskas, V. Skakauskas, and R. Barauskas. 2004. “The Structure Modeling of Material Composed of the Orthotropic Crystals”. Nonlinear Analysis: Modelling and Control 9 (4): 297-306. https://doi.org/10.15388/NA.2004.9.4.15146.