Scientific journal publication Number concentrations and modal structure of indoor/outdoor fine particles in four European cities. Lazaridis, M.; Eleftheriadis, K.; Zdimal, V.; Schwarz, J.; Wagner, Z.; Ondracek, J.; Drossinos, Y.; Glytsos, T.; Vratolis, S.; Tørseth, K.; Moravec, P.; Hussein, T.; Smolik, J. Publication details Journal: Aerosol and Air Quality Research, 17, 131–146, 2017 DOI: 10.4209/aaqr.2015.04.0267