Materiały porowate w zabezpieczeniach ograniczających hałas maszyn i urządzeń — [Porous materials in protections limiting the noise generated by machines and devices] / J. SIKORA // W: Interpor 2006 : V\textsuperscript{th} international conference : Lubostroń/Bydgoszcz, May 24–27, 2006 : volume of extended abstracts : multifunctional porous materials : modeling, experiment and numerical methods / Kazimierz Wielki University. Institute of Environmental Mechanics and Applied Computer Science. National Centre of Excelence POROCENT, NAS of Ukraine. Podstryhacz Institute for Applied Problems of Mechanics and Mathematics. Centre of Mathematical Modelling. — [Bydgoszcz : s. n.], [2006]. — Opis częśc. wg okł.. — S. 87–88