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

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