@inproceedings{TUW-140205, author = {Weippl, Edgar}, title = {Digitale PDF-Signaturen mit der B{\"u}rgerkarte}, booktitle = {Proceedings of D-A-CH 2006}, year = {2006}, note = {Vortrag: D-A-CH 2006, Duesseldorf; 2006-04-01} }