1. University of Oradea,Electrical Engineering and Information Technology Faculty,Department of Electrical Engineering,Oradea,Romania
2. National Geothermal Research Center Technology Transfer Center NGRC-TTC University of Oradea,Oradea,Romania
3. Computers and Electrical Engineering, University of Pitesti,Faculty of Electronics, Communication and Computer Science,Department of Elecytronics,Pitesti,Romania
4. University of Oradea,Electrical Engineering and Information Technology Faculty,Department of Computers and Information Technology,Oradea,Romania