Levytskyi, Volodymyr     Regularities of obtaining, morphology and properties of metal-containing polymer-silicate materials and polyester composites on their basis [Текст] / Volodymyr Levytskyi, Andriy Masyuk, Diana Katruk, Mykhaylo Bratychak // Chemistry & Chemical Technology / Lviv Polytechnic Nat. Univ. ; ed.-in-chief M. Bratychak. — Lviv : Publ. House of Lviv Polytechnic Nat. Univ., 2009. — P. 35-40.