@inproceedings{Jirotka*1991:Participation,
  title = "Participation frameworks for computer mediated communication",
  author = "Marina Jirotka and Paul Luff and Nigel Gilbert",
  year = "1991",
  booktitle = "Proceedings of the Second European Conference on Computer-Supported Cooperative Work - ECSCW 91",
  editor = "Liam Bannon and Mike Robinson and Kjeld Schmidt",
  publisher = "Kluwer Academic Publishers",
}