Jinjin YanAbdoulaye A. DiakitéSisi ZlatanovaMitko Aleksandrov2025-05-142025-05-142019jz000156-0222https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/28176550Top-Bounded Spaces Formed by the Built Environment for Navigation SystemsArticlehttps://doi.org/10.3390/ijgi8050224