@inproceedings{hoffmann2012pattern,
  author = {Hoffmann, A.},
  title = {A pattern based approach for analysing requirements in socio-technical systems engineering},
  booktitle = {20th European Conference on Information Systems Doctoral Consortium (ECIS 2012 DC)},
  year = {2012},
  note = {329},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_400.pdf}
}

@inproceedings{hoffmann2012patternbased,
  author = {Hoffmann, A.},
  title = {A Pattern-Based Approach for Analysing Requirements in Socio-technical Systems Engineering},
  booktitle = {20th IEEE International Requirements Engineering Conference Doctoral Symposium (RE 2012 DS)},
  year = {2012}
}

@inproceedings{hoffmann2012anforderungen,
  author = {Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.},
  title = {Anforderungen an Software Requirement Pattern in der Entwicklung sozio-technischer Systeme},
  booktitle = {42. Jahrestagung der Gesellschaft für Informatik e.V. (GI)},
  year = {2012},
  note = {350},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_353.pdf}
}

@inproceedings{ls_leimeister,
  author = {Hoffmann, A. and Söllner, M. and Hoffmann, H.},
  title = {Twenty software requirement patterns to specify recommender systems that users will trust},
  booktitle = {20th European Conference on Information Systems (ECIS)},
  year = {2012},
  note = {324},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_399.pdf}
}