Poperenko, L.     Dear Participants of 12th International Young Scientists Conference Optics and High Technology Material Science [Текст] / L. Poperenko // Twelfth International Young Scientists Conference "Optics & High Technology Material Science SPO 2011" : October 27-30, 2011, Kyiv, Ukraine : sci. works / Taras Shevchenko Nat. Univ. of Kyiv ; [progr. comm.: O.K. Zakusylo (head) et al]. — Kyiv : Київський університе, 2011. — P. 6-8.