@inproceedings{Rossnagel2006,
  author    = {Heiko Roßnagel},
  title     = {Mobile qualified electronic signatures and certification on demand},
  booktitle = {auch in: Proceedings of the 1st European PKI Workshop - Research and Applications, Springer LNCS 3093; Samos Island, Greece},
  year      = {2006},
}