Masiokas, S., and V. Pakėnas. “The Influence of Room’s Daylighting on the Contrast of Diffuse Screen Image”. Elektronika ir Elektrotechnika 58, no. 2 (February 1, 2005). Accessed April 19, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/10362.