@incollection{Jirotka2004:Communicating,
  title = "Communicating Sequential Activities: An Investigation into the Modelling of Collaborative Action for System Design",
  author = "Marina Jirotka and Paul Luff",
  year = "2004",
  address = "Amsterdam",
  booktitle = "Cognition and Technology: Co-Existence, Conversion, Co-Evolution",
  editor = "Gorayska, B. and May, J.L.",
  publisher = "John Benjamin Publishing Company",
}