Conference on Technologies and Properties of Modern Utility Materials Katowice, Poland, Mendala, J., & Grado Paweł. (2015). Technologies and XXII: Selected, peer reviewed papers from the XXII Conference on Technologies and Properties of Modern Utility Materials, (TPMUM 2014), May 16, 2014, Katowice, Poland. Trans Tech Publications.
Lua i Stíl Chicago (17ú heag.)Conference on Technologies and Properties of Modern Utility Materials Katowice, Poland, Jacek Mendala, agus Grado Paweł. Technologies and XXII: Selected, Peer Reviewed Papers from the XXII Conference on Technologies and Properties of Modern Utility Materials, (TPMUM 2014), May 16, 2014, Katowice, Poland. Plaffikon, Switzerland: Trans Tech Publications, 2015.
Lua MLA (9ú heag.)Conference on Technologies and Properties of Modern Utility Materials Katowice, Poland, et al. Technologies and XXII: Selected, Peer Reviewed Papers from the XXII Conference on Technologies and Properties of Modern Utility Materials, (TPMUM 2014), May 16, 2014, Katowice, Poland. Trans Tech Publications, 2015.