1. Department of Civil Engineering, University North, University Centre of Varaždin, 104. Brigade 3, 42000 Varazdin, Croatia
2. Department of Technology of Building Industry, Odesa State Academy of Civil Engineering and Architecture, 4, Didrikhson Str., 65029 Odesa, Ukraine
3. Department of Architectural Structures, Odesa State Academy of Civil Engineering and Architecture, 4, Didrikhson Str., 65029 Odesa, Ukraine