Šiupšinskas, Giedrius, and Solveiga Adomėnaitė. “The Use of Solar Energy for Preparing Domestic Hot Water in a Multi-Storey Building”. Mokslas – Lietuvos Ateitis Science – Future of Lithuania, vol. 4, no. 5, Dec. 2012, pp. 507-12, https://doi.org/10.3846/mla.2012.81.