Sivakova, L., Zubkova, A. and Pellowski, W. 2018. Errata: Communications – Scientific Letters of the University of Zilina, Vol. 20, No.2, 2018, „Application of a Priori and a Posteriori Estimate on Risk Assessment“, pp. 56-61. The proper name of third author should be as follows: Witalis Pellowski. Communications - Scientific letters of the University of Zilina. 20, 4 (Dec. 2018), 83.