@Article{ authors = " Krzysztof Rokosz, Tadeusz Hryniewicz, Kornel Pietrzak", title = "SEM and EDS Studies of Porous Coatings Enriched in Calcium and Zinc Obtained by PEO with Ramp Voltage ", journal = "World Scientific News", issue = "2017 / Tom 77 / Numer 2", pages = "242 - 255" }

@Article{ authors = " Krzysztof Rokosz, Tadeusz Hryniewicz, Kornel Pietrzak, Łukasz Dudek", title = "Porous PEO Coatings on Titanium, Obtained under DC Regime, Enriched in Magnesium, Calcium, Zinc and Copper", journal = "World Scientific News", issue = "2018 / Tom 94 / Numer 2", pages = "99 - 114" }

@Article{ authors = " Krzysztof Rokosz, Tadeusz Hryniewicz, Kornel Pietrzak, Łukasz Dudek, Winfried Malorny", title = "SEM and EDS Studies of Selected Porous Coating Obtained on Titanium by Plasma Electrolytic Oxidation ", journal = "World Scientific News", issue = "2017 / Tom 70 / Numer 2", pages = "71 - 85" }

@Article{ authors = " Krzysztof Rokosz, Tadeusz Hryniewicz, Stanisław Trzeszczkowski", title = "Comparative Corrosion Study of Austenitic AISI 304L and 316Ti Stainless Steels in the Ammonium nitrate/Urea Solution (AUS)", journal = "World Scientific News", issue = "2016 / Tom 49 / Numer 2", pages = "249 - 271" }