Yuanfu LiQun SunWenyue GuoQing XuXinming Zhu2025-05-142025-05-142023jz000148-0070https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/25970550A Contour Line Group Simplification Method Based on Classified Terrain FeaturesArticlehttps://doi.org/10.3390/ijgi12020071