On the Electric Conductivity and Dielectric Loss of 'Pure' Artificially Grown and Natural NaCl Crystals. An Attempt at a Better Definition of 'Pure' NaCl Crystals. Arnošt Kessler; Emil Mariani — 1964 Matematicko-fyzikálny časopis
Relaxation Maxima of Calcium and Cadmium Doped NaCl Crystals with Maxima Temperatures Depending on Admixture Concentration Alena Jónová; Arnošt Kessler; Emil Mariani — 1965 Matematicko-fyzikálny časopis