Heraskin, V. M., Bozhok A. М., and D. V. Heraskin. “Double-Pulse Speed Governor of Diesel of PZM-2 Regimental Earthmover”. Military Technical Collection, no. 7 (November 9, 2012): 16–19. Accessed March 9, 2022. http://vtz.asv.gov.ua/article/view/163886.