@incollection{TUW-119274, author = {Raubal, Martin and Winter, Stephan}, title = {Enriching Wayfinding Instructions with Local Landmarks}, booktitle = {Geographic Information Science}, year = {2002}, editor = {Egenhofer, Max and Mark, David}, pages = {243--259}, publisher = {Springer}, address = {Berlin}, url = {ftp://ftp.geoinfo.tuwien.ac.at/winter/raubal02enriching.pdf} }