Lipka, Ewelina, et al. “Application of Geomorphons and TPI in the Geomorphometric Study of GCL Landforms in the Drawsko Lakeland (NW Poland)”. Quaestiones Geographicae, vol. 44, no. 3, Sept. 2025, pp. 143-58, doi:10.14746/quageo-2025-0028.