Structural, energy and kinetic characteristics of Hf1-khLuxNiSn thermoelectric material - V. A. Romaka; P. Rogl; Yu. V. Stadnyk; L. P. Romaka; R. O. Korzh; D. Kaczorowski; Ya. Krayovskyy; O. I. Lakh (Journal of thermoelectricity, 2014)