@inproceedings{countand05a,
  address = {Dresden},
  author = {Coutand, Olivier and Droegehorn, Olaf and David, Klaus and Nurmi, Petteri and Floreen, Patrik and Kernchen, Ralf and Holtmanns, Silke and Campadello, Stefano and Kanter, Theo and Martin, Miquel and van Eijk, Ronald and Guarneri, Renate},
  booktitle = {IST Summit 2005},
  interhash = {3bf78d2ea155f598fb1ef71d71e0a3f8},
  intrahash = {8e44d8b925f1569013a195341f511cb4},
  title = {Context-aware Group Management in Mobile Environments},
  year = 2005
}

@inbook{MobiLife5.2007,
  author = {Bonnefoy, David and Boussard, Mathieu and Brgulja, Nermin and Domene, Alexander and Dr\"{o}gehorn, Olaf and Giuliani, Giovanni and Kernchen, Ralf and Lau, Sian Lun and Millerat, Jean and Mrohs, Bernd and Nurmi, Petteri and Ollikainen, Pekka J and Radziszewski, Mateusz and R\"{a}ck, Christian and and Marcin Salacinski and Salden, Alfons and Sutterer, Michael},
  chapter = {5. Multimodality and Personalisation},
  editor = {Bonnefoy, David and Dr\"{o}gehorn, Olaf and Kernchen, Ralf},
  interhash = {056b9ef8afa407fffe247826f24bbc67},
  intrahash = {854dc3f955a6f5fef04f58fbdfe1cf16},
  month = {October},
  publisher = {John Wiley & Sons},
  title = {Enabling Technologies for Mobile Services: The MobiLife Book},
  url = {http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470512903,descCd-tableOfContents.html},
  year = 2007
}