@inproceedingsAhl2008, Author = {Ahlers, Dirk and Boll, Susanne and Wichmann, Daniel}, Title = {Virtual signposts for location-based story-telling}, Year = {2008}, Month = {01}, Booktitle = {6th Geographic Information Days GI-Days 2008}, type = {inproceedings} @COMMENTBibtex file generated on