Карпов E. H., Е. А. Сикорский, and Якушенко A. C. “Evaluation of Calendar lifetime’s Influence of Engines АШ-62ИР on Their Technical State”. Proceedings of National Aviation University (archive) 3, no. 2 (September 26, 1999): 24–28. Accessed April 17, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/9012.