Melnyk, Igor     Shape and research of monolithic flat reinforced-concrete slabs with effective hollow blocks [Текст] / Igor Melnyk, V.M. Sorokhtey // Current issues of civil and environmental engineering : XII Intern. sci. conf., 17-19 Sept. 2009, Rzeszow, Poland : book of abstr. / Rzeszow univ. of technology. — Rzeszow, 2009. — P. 44.