@inbook{inbook, title = {{Hiking in Real and Virtual Worlds}}, publisher = {{Springer Berlin Heidelberg}}, url = {{}}, year = {{2003}}, month = {{1}}, author = {{Cavens D and Lange E}}, doi = {{10.1007/978-3-662-10398-2_15}}, isbn = {{9783642073946}}, pages = {{207-215}}, note = {{Accessed on 2025/06/19}}}