Hoimoja, Hardi, Tanel Jalakas, Argo Rosin, and Anton Rassylkin. “Modernisation Issues of Diesel-Electric Shunting Locomotive Power Units”. Electrical, Control and Communication Engineering 26, no. 1 (January 1, 2010): 58–63. Accessed November 5, 2024. https://ecce-journals.rtu.lv/ecce/article/view/v10144-010-0021-3.