@INPROCEEDINGS{MerzMüller-JonesLamersdorf1994,
  author    = {Michael Merz and Kay Müller-Jones and Winfried Lamersdorf},
  title     = {Trusted Third-Party Services in COSM},
  booktitle = {'EM - Elec-tronic Markets', In-stitute for Information Management, Universität St. Gallen, Schweiz, Heft 12, September 1994},
  year      = {1994}
}