@ARTICLE{Piwnik_J._Tribological_2016, author={Piwnik, J. and Lisiecki, A.}, number={No 2 June}, journal={Archives of Metallurgy and Materials}, howpublished={online}, year={2016}, publisher={Institute of Metallurgy and Materials Science of Polish Academy of Sciences}, publisher={Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences}, title={Tribological Characteristic of Titanium Alloy Surface Layers Produced by Diode Laser Gas Nitriding}, URL={http://www.czasopisma.pan.pl/Content/91852/PDF/10172%20Volume%2061%20Issue%202-13%20paper.%20pdf.pdf}, doi={10.1515/amm-2016-0094}, }