Grzebielec, Andrzej, Adam Szelągowski, and Krzysztof Bruzi. “Analysis of the Possibilities of Improving Environmental Conditions in Lecture Halls Using Mechanical Ventilation”. International Conference “Environmental Engineering” 11 (February 4, 2020): 1–8. Accessed May 24, 2026. https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/1216.