@mastersthesis{TUW-138985, author = {Ledermann, Florian}, title = {An Authoring Framework for Augmented Reality Presentations}, school = {Inst. f{\"u}r Softwaretechnik und Interaktive Systeme}, year = {2004}, url = {http://www.ims.tuwien.ac.at/~flo/Florian%20Ledermann%20-%20Diplomarbeit.pdf} }