%0 Journal Article %A Niu Y. %A Gonzalez-Abad S. %A Frisenda R. %A Marauhn P. %A Drüppel M. %A Gant P. %A Schmidt R. %A Taghavi N.S. %A Barcons D. %A Molina-Mendoza A.J. %A de Vasconcellos S.M. %A Bratschitsch R. %A De Lara D.P. %A Rohlfing M. %A Castellanos-Gomez A. %T Thickness-dependent differential reflectance spectra of monolayer and few-layer MoS2, MoSe2, WS2 and WSe2 %D 2018 %U http://hdl.handle.net/20.500.12614/2131 %~