Pajak, K., K. Kowalczyk, J. Kaminskis, and M. Idzikowska. “Studying the Sensitivity of Satellite Altimetry, Tide Gauge and GNSS Observations to Changes in Vertical Displacements”. Geomatics and Environmental Engineering, vol. 15, no. 4, Sept. 2021, pp. 45-58, doi:10.7494/geom.2021.15.4.45.