© 2013 The Authors. Journal of Contingencies and Crisis Management Published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Ellei muuten mainita, aineiston lisenssi on © 2013 The Authors. Journal of Contingencies and Crisis Management Published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.