Pashayev, Arif, Djakhangir Askerov, Ramiz Sadiqov, and Parviz Abdullayev. “Identification System for the Technical Condition of Gas Turbine Engines of Aircraft”. Aviation 12, no. 4 (December 31, 2008): 101-112. Accessed August 17, 2024. https://journals.vilniustech.lt/index.php/Aviation/article/view/6749.