%0 conference lecture %@ %A Ramacher, M.O.P.,Matthias, V.,Badeke, R.,Petrik, R.,Quante, M.,Arndt, J.,Fink, L.,Feldner, J.,Schwarzkopf, D.,Link, E.M.,Wedemann, R. %D 2021 %J International Technical Meeting on Air Pollution and its Application %N %P %T Urban Population Exposure to Air Pollution Under COVID-19 Lockdown Conditions—Combined Effects of Emissions and Population Activity %U %X