1. Department of Manufacturing and Production EngineeringRzeszow University of Technology Rzeszów Poland
2. Department of Materials Forming and ProcessingRzeszow University of Technology Rzeszów Poland
3. Belgian Welding Institute Gent Belgium
4. Department of Mechanics and Machine BuildingUniversity of Rzeszow Rzeszów Poland
5. Department of Mathematics and Natural SciencesUniversity of Rzeszow Rzeszów Poland
6. Department of Materials Science, Welding and Strength of MaterialsWroclaw University of Technology Wrocław Poland