1. URL: http://www.solarway.su/ (date of reference: 26.04.2019).
2. Palagin, A.V., Sterkhov, A.I., Korepanov, E.V.. Comparison of Functional and Energy Factors of Natural Daylight Lighting Systems of Buildings [Sravneniye sistem estestvennogo osvachsheniya zdaniy po funktsionalno-energeticheskim faktoram] // Intellektualniye sistemy v proizvodstve, 2014, Vol. 2 (24), pp. 191–194.
3. Solovyov, A.K. Hollow Tube Light Guides and their Application for Natural Lighting of Buildings [Polyiye trubchatyie svetovody i ikh primeneniye dlya estestvennogo osveshcheniya zdaniy] // Promyshlennoye i grazhdanskoye stroitelstvo, 2007, Vol. 2, pp. 53–55.
4. URL: https://multimedia.3m.com/mws/ media/982449O/3mtm–specular–film–df2000ma–technical–data–sheet.pdf (date of reference: 26.04.2019).
5. URL: http://www.napcso.hu/my_content/dok/ CSTB_Report_2011.pdf (дата обращения: 26.04.2019).