Kalibatas, Darius, and Vytautas Kovaitis. “Selecting the Most Effective Alternative of Waterproofing Membranes for Multifunctional Inverted Flat Roofs”. Journal of Civil Engineering and Management, vol. 23, no. 5, May 2017, pp. 650-6, https://doi.org/10.3846/13923730.2016.1250808.