Kajanek, Daniel, Branislav Hadzima, and Filip Pastorek. 2019. “Errata: Communications – Scientific Letters of the University of Zilina, Vol. 20, No. 3, 2018, „Electrochemical Characterization of Az31 Magnesium Alloy Treated by Ultrasonic Impact Peening (Uip)“, Pp. 24-29. The Proper Acknowledgement Should Be As Follow”. Communications - Scientific Letters of the University of Zilina 21 (1), 75-79. http://journals.uniza.sk/index.php/communications/article/view/646.