Burak K, Kovtun V, Levytskyi R, Makoviichuk M. Determining density of regular grid for creating DTM using bicubic spline interpolation. GaEE [Internet]. 2019May27 [cited 2025Aug.21];13(2):5-18. Available from: https://www.gaee.agh.edu.pl/gaee/article/view/147