D. J.  Late, Shirodkar, S. N., Waghmare, U. V., Dravid, V. P., and Rao, C. N. R., ?Thermal expansion, anharmonicity and temperature-dependent Raman spectra of single- and few-layer MoSe2 and WSe2?, ChemPhysChem, vol. 15, no. 8, pp. 1592-1598, 2014.