1. Department of Automotive Engineering and Transports, Faculty of Automotive, Mechatronics and Mechanical Engineering, Technical University of Cluj-Napoca, Bulevardul Muncii 103-105, 400641 Cluj-Napoca, Romania
2. Department of Forestry, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
3. Department of Economic Sciences, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania