Michal Skrzypek and Blażej Mach 2022. Bathymetric Measurements of the Vistula Smiala River Mouth with the Use of a Hydrographic Manned Vessel. Communications - Scientific letters of the University of Zilina. 24, 1 (Jan. 2022), E11-E18. DOI:https://doi.org/10.26552/com.C.2022.1.E11-E18.