Building and ductwork airtightness in Estonia : national trends and requirementsKalamees, Targo; Hallik, Jaanus; Mikola, AloVentilation challenges in a changing world : the 42nd AIVC, 10th Tightvent and 8th venticool Conference : proceedings2022 / p. 640-641 https://www.aivc.org/sites/default/files/download/AIVC2022_Proceedings.pdf Infection risk-based ventilation design methodKurnitski, JarekVentilation challenges in a changing world : the 42nd AIVC, 10th Tightvent and 8th venticool Conference : proceedings2022 / p. 21-27 https://www.aivc.org/sites/default/files/download/AIVC2022_Proceedings.pdf