Dubiel, T. , Balawender, T. , Osetek, M.. "Effect of Non-Metallic Inclusion from the Continuous Casting Process on the Multi-Stage Forging Process and the Tensile Strength of the Bolt: A Case Study". World Academy of Science, Engineering and Technology, Open Science Index 177, International Journal of Mechanical and Materials Engineering, (2021), 15(9), 388 - 394.