Peculiarities of structural, energy and kinetic characreristics of VFe1-khTixSb thermoelectric material - V. A. Romaka; P. Rogl; Yu. V. Stadnyk; L. P. Romaka; R. O. Korzh; D. Kaczorowski; Ya. Krayovskyy; T. M. Kovbasyuk (Journal of thermoelectricity, 2014)