Cu-In and Cu-Zn-Sn films as precursors for production of CuInSe2 and Cu2ZnSnSe4 thin filmsVolobujeva, Olga; Mellikov, Enn; Raudoja, Jaan; Bereznev, Sergei; Pilvet, MarisThin-film compound semiconductor photovoltaics - 20092009 / p. M05-40