Ivanova, Marieta Georgieva ; Probst, Christian W ; Hansen, René Rydhof. Ivanova , M G , Probst , C W , Hansen , R R & Kammuller , F 2013 , ' Externalizing Behaviour for Analysing System Models ' , Journal of Internet Services and Information Security , vol. 3 , no. 3/4 , pp. 52-62 ..
,
2013