@article{Jirotka*1993:Requirements,
  title = "Requirements for Technology in Complex Environments: Tasks and Interactions in a City Dealing Room",
  author = "Marina Jirotka and Paul Luff and Christian C. Heath",
  year = "1993",
  journal = "ACM SIGOIS Bulletin",
  month = "December",
  number = "2",
  volume = "14",
}