Hadad, Yossi, Zohar Laslo, and Avner Ben-Yair. “Safety Improvements by Eliminating Hazardous Combinations”. Technological and Economic Development of Economy 13, no. 2 (June 30, 2007): 114-119. Accessed December 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/7718.