1. Measurement and Metering DepartmentCroatian Transmission System Operator Ltd.C. Hadrijana 3OsijekCroatia
2. Faculty of Electrical Engineering, Computer Science and Information Technology in OsijekJosip Juraj Strossmayer University in OsijekTrpimirova bbCroatia
3. Faculty of Electrical Engineering PodgoricaUniversity of MontenegroDžordža Vašingtona bbPodgoricaMontenegro