33.
E. Vejmelková, M. Pavlíková, M. Keppert, Z. Keršner, P. Rovnaníková, M. Ondráček, M. Sedlmajer, R. Černý, High Performance Concrete with Czech Metakaolin: Experimental Analysis of Strength, Toughness and Durability Characteristics. Constr. Build. Mat., 24, 1404-1411 (2010).