Technical University of Cluj Napoca, North University Center of Baia Mare
62A Victor Babes Street
430083 Baia Mare,
Maramures, Romania

cristian.barz@ieec.utcluj.ro

crbarz@yahoo.com

Independent University Banja Luka

Veljka Mlađenovića 12e,
78000 Banja Luka, Republic of Srpska,
Bosnia and Herzegovina

vesna.rodic@nubl.org

rodicvesna@yahoo.com

University of Applied Sciences Kempten

Bahnhofstr. 61
87435 Kempten, Germany