Zieliński, B., Kapłonek, W. and Nadolny, K. 2018. Regeneration of industrial cutting blades made from X39Cr13 steel used in skinning process of Pleuronectidae-family flatfishes. Journal of Mechanical and Energy Engineering. 2, 4 (Dec. 2018), 277-284. DOI:https://doi.org/10.30464/jmee.2018.2.4.277.