7th International BAPT Conference "Power Transmissions 2020" : Borovets, Bulgaria, June 10-13, 2020
Key Trends in Transportation Innovation (KTTI-2019) : Khabarovsk, Russia, October 24-26, 2019
8th International BAPT Conference "Power Transmissions 2022" : Varna, Bulgaria, September 5-8, 2022