Kolesnikov, A, S Tretiakov, I Kaplunov, R Grechishkin, E Vorontsova, and P Ivanova. “Laser Conoscopy Study of Optical Anomalies in Uniaxial Crystals”. KnE Energy 3, no. 3 (April 25, 2018): 297–303. Accessed April 26, 2024. https://knepublishing.com/index.php/KnE-Energy/article/view/2041.