Temperature dependent electroreflectance study of Cu2ZnSnSe4 solar cellsKrustok, Jüri; Raadik, Taavi; Grossberg, Maarja; Giraldo, Sergio; Neuschitzer, Markus; Lopez-Marino, Simon; Saucedo, EdgardoMaterials science in semiconductor processing2015 / p. 251-254 : ill http://dx.doi.org/10.1016/j.mssp.2015.04.055