Veryuzhsky, Yu. V. “Probabilistic and Deterministic Risk Assessment for Extreme Objects and Ecologically Hazardous Systems”. Proceedings of National Aviation University (archive) 17, no. 2 (June 24, 2003): 46–57. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/11914.