Cláudio SapateiroPedro AntunesG. ZuritaN. BaloianR. Vogt2010-05-212014-11-142010-05-212014-11-1420082008http://hdl.handle.net/10451/14584http://repositorio.ul.pt/handle/10455/6190engComputer ScienceSupporting Unstructured Activities in Crisis Management: A Collaboration Model and Prototype to Improve Situation Awarenessjournal article