• REHVA COVID-19 guidance document : [Version April 3, 2020]Kurnitski, Jarek; Boerstra, Atze; Franchimon, FrancescoThe REHVA European HVAC Journal2020 / p. 55–65 : ill https://www.rehva.eu/rehva-journal/detail?tx_wbjournals_journaldetail%5Baction%5D=download&tx_wbjournals_journaldetail%5Bcontroller%5D=Journal&tx_wbjournals_journaldetail%5Bjournal%5D=67&cHash=aaf8ba678c531e077d4db71224c3882c https://www.rehva.eu/activities/covid-19-guidance