Airtightness, air exchange and energy performance in historic residential buildings with different structuresEskola, Lari; Alev, Üllar; Arumägi, Endrik; Jokisalo, Juha; Donarelli, Anna; Sirén, Kai; Kalamees, TargoInternational journal of ventilation2015 / p. 11-26 : ill https://doi.org/10.1080/14733315.2015.11684066 Analysis of the systems of ventilation of residential houses of Ukraine and EstoniaSavchenko, Olena; Zhelykh, Vasyl; Voll, HendrikSelected scientific papers - journal of civil engineering2017 / p. 23-30 : ill https://doi.org/10.1515/sspjce-2017-0015