URL:https://i1.rgstatic.net/publication/316411978_Scale-dependent_perspectives_on_the_geomorphology_and_evolution_of_beach-dune_systems/links/590c0bab458515b7c61e37b3/largepreview.png
掲載元:https://basikal-enci.blogspot.com/2023/01/pos-basik-kkm-2020.html