Sarnek, Maciej. “Changes Observed in the Amount of Defects for Austenitic Stainless Steel”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 924, Dec. 2015, pp. 47-58, https://doi.org/10.15678/ZNUEK.2013.0924.04.