00476nas a2200121 4500000000100000000000100001000000100002008004100003260007300044653001900117100002300136245019500159 2007 d c2007bInstitute of Information and Communication TechnologiesaSofia10aIT4Sec reports1 aVelizar Shalamanov00aMethodology for operational analysis of the system for national security and defence, operational analysis of organisational practices on the basis of a set of scenarios for defence planning