DC conductivity of illitic clay after various firingKubliha, Marian; Trnovcova, Viera; Ondruška, Jan; Štubna, Igor; Bošak, Ondrej; Kaljuvee, Tiit; Bačik, PeterJournal of thermal analysis and calorimetry2016 / p. 81-86 : ill http://dx.doi.org/10.1007/s10973-015-5129-4 Development of Young's modulus of illitic clay during heating up to 1100 °CHulan, Tomaš; Trnik, Anton; Štubna, Igor; Bačik, Peter; Kaljuvee, Tiit; Vozar, LiborMedžiagotyra = Materials science2015 / p. 429-434 : ill http://dx.doi.org/10.5755/j01.ms.21.3.7152 Research on historical bricks from a baroque churchPodoba, Rudolf; Kaljuvee, Tiit; Štubna, Igor; Podobnik, Luboš; Bačik, PeterJournal of thermal analysis and calorimetry2014 / p. 591-595 : ill