Parlov Una, Natalija, Željko Sičaja, Tihomir Katulić, and Riko Lusa. “Information Security and the Lawful Interception of Communications by Telecom Service Providers: Advanced Model System Architecture”. Annals of Disaster Risk Sciences 3, no. 2 (December 12, 2020). Accessed March 3, 2021. https://ojs.vvg.hr/index.php/adrs/article/view/54.