Wisłocki, Krzysztof, Ireneusz Pielecha, Jakub Czajka, and Dmytro Maslennikov. 2011. “Evaluation of the Liquid Fuel Spray Parameters Based on Experimental Research and Numerical Simulation for the Piezoelectric Injectors”. Archives of Transport 23 (1): 111-21. https://doi.org/10.2478/v10174-011-0008-7.