Biernat, P., Rumniak, P., Michalczuk, M., Gałecki, A., Grzesiak, L., Ufnalski, B., & Kaszewski, A. (2013). Powertrain system with the ultracapacitor-based auxiliary energy storage for an urban battery electric vehicle. Archives of Transport, 27(3-4), 45-64. https://doi.org/10.5604/01.3001.0004.0107