Vitaly, Baynev, and Fedosin Sergej. “Triangulation Grids and Hierarchical Structures of the Models in Calculation of LED Modules”. International Journal of Engineering and Technology 7, no. 2.2 (March 5, 2018): 5–8. Accessed May 13, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/9888.