Sadra KarimzadehBakhtiar FeizizadehMasashi Matsuoka2025-05-142025-05-142019jz000156-0529https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/29404550DEM-Based Vs30 Map and Terrain Surface Classification in Nationwide ScaleāA Case Study in IranArticlehttps://doi.org/10.3390/ijgi8120537