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), pp. E11-E18. doi: 10.26552/com.C.2022.1.E11-E18.