The influence of residential wood combustion on the concentration of PM2.5 in four Nordic cities

Kukkonen, J.; Lopez-Aparicio, Susana; Segersson, D.; Geels, C; Kangas, Leena; Kauhaniemi, M; Maragkidou, Androniki; Jensen, A.; Assmuth, Timo; Karppinen, A; Sofiev, M; Hellén, Heidi; Riikonen, K.; Nikmo, Juha; Kousa, A.; Niemi, J. V.; Karvosenoja, N.; Sundvor, Ingrid; Santos, Gabriela Sousa; Im, U; Christensen, J. H.; Nielsen, O. K.; Plejdrup, M. S.; Nøjgaard, J.K.; Omstedt, G; Andersson, C.; Forsberg, B.; Brandt, J.