Dzugan, J. , Spaniel, M. , Konopík, P. , Ruzicka, J. , Kuzelka, J.. "Identification of Ductile Damage Parameters for Austenitic Steel". World Academy of Science, Engineering and Technology, Open Science Index 65, International Journal of Mechanical and Mechatronics Engineering, (2012), 6(5), 1034 - 1039.