kompozitné materiály. Cu-graphite compositesKováčik, J Cu-graphite composites: composition dependence of friction coefficient. Bielek, Jozef, 1939-. Emmer, Štefan, 1948- In: Weinheim : Wiley-VCH, 2009. -- Friction, Wear and Wear Protection : International symposium. Aachen, Germany, 9.-11.4. 2008. -- s.67-73. -- 978-3-527-32366-1.