81. D. Wu, L.D. Zhao, S.Hao, Q.K. Jiang, F.S. Zheng, J.W. Doak, H. J. Wu, H. Chi, Y. Gelbstein, C. Uher, C. Wolverton, M.G. Kanatzidis, J. Q. He*, Origin of the high performance in GeTe-based thermoelectric materials, J. Am. Chem. Soc., 136(2014)11412 (PDF)