Olszowski, S., J. Buday, J. Kuchta, and J. Michalik. “Analyses of the Causes of Common Rail Piezoelectric and Electromagnetic Injectors’ Premature Destruction in Self-Ignition Engines”. Communications - Scientific Letters of the University of Zilina, Vol. 15, no. 3, Aug. 2013, pp. 79-82, http://journals.uniza.sk/index.php/communications/article/view/692.