@mastersthesis{TUW-220459, author = {Jonchon Wun, Denise}, title = {Spezifikation von Indoor-Landmarks}, school = {Department f{\"u}r Geod{\"a}sie und Geoinformation, FG Kartographie}, year = {2013}, keywords = {indoor landmark, landmark, orientation in buildings, guidance system and orientation systems in buildings} }