Submitted on: 19 February 1998.
Revised on: 19 June 1998.
Accepted on: 02 August 1998.
___________________International Journal of Critical Infrastructure Protection
Submitted on: 17 March 2021.
Revised on: 06 June 2021.
Accepted on: 31 July 2021.
___________________International Journal of Critical Infrastructure Protection
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Submitted on: 03 April 2023.
Revised on: 20 May 2023.
Accepted on: 09 July 2023.
___________________International Journal of Critical Infrastructure Protection
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