Гутак, О. В., Г. Г. Зварич, Н. В. Плитус, and Н. В. Сабат. “ESTIMATES OF THE STATISTICAL CHARACTERISTICS OF MOMENT FLUCTUATIONS ON BIT”. Oil and Gas Power Engineering, no. 1(19) (May 14, 2012): 7–14. Accessed April 29, 2024. https://nge.nung.edu.ua/index.php/nge/article/view/2.