Gambin, B., A. Gałka, J. J. Telega, and S. Tokarzewski. “Influence of Anisotropy Induced by Microcracks on Effectiye Elastic Properties”. Engineering Transactions 53, no. 4 (December 15, 2005): 363–374. Accessed June 10, 2025. https://et3.ippt.pan.pl/index.php/et/article/view/448.