@techreport{TolcherJirotka1999:Evaluation,
  title = "The Evaluation of Collaborative Virtual Environments for Joint Battlespace Digitisation: An Ethnographic Approach",
  author = "Richard Tolcher and Marina Jirotka",
  year = "1999",
  institution = "Defence Evaluation and Research Agency (DERA)",
  month = "December",
  note = "Restricted",
}