Foredrag Effect of filter type in ventilation systems on NO2 concentrations in classrooms Yang, Aileen; Nikolaisen, Kristian Fredrik; Holøs, Sverre Bjørn; Thunshelle, Kari; Dauge, Franck René; Mysen, Mads Publikasjonsdetaljer Arrangement: Cold Climate 2018 (Kiruna) Dato: 12. mars 2018 – 15. mars 2018