@inproceedings{dollner2005approach,
    author = {Döllner, Jürgen and Hagedorn, Benjamin and Schmidt, Steffen},
    booktitle = {Proceedings of the 3rd Symposium on LBS and TeleCartography},
    title = {An Approach towards Semantics-Based Navigation in 3D City Models on Mobile Devices.},
    year = {2005},
    pages = {171--176},
}