Melnyk, Roman     Image retrieval by invariant and parametric intensity pattern features [Текст] / Roman Melnyk, Yuriy Kalychak // Perspective technologies and methods in MEMS Design : pros. of VIII-th Intern. conf. MEMSTECH'2012, 18-21 april 2012, Polyana, Ukraine / Min. of education and science, youth and sport of Ukraine, Lviv Polytechnic Nat. Univ. — Lviv : Publ. Lviv Polytechnic, 2012. — С. 62-65.