Yunong ZhangAnmin ZhangMiao GaoYi Liang2025-05-142025-05-142023jz000148-0257https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/26718550A Spatial Relation Model of Three-Dimensional Electronic Navigation Charts Based on Point-Set Topology TheoryArticlehttps://doi.org/10.3390/ijgi12070259