Beddows, D.C.S., Dall’Osto, M., Harrison, R.M. , Kulmala, M., Asmi, A., Wiedensohler, A., Laj, P., Fjaeraa, A.M., Sellegri, K., Birmili, W., Bukowiecki, N., Weingartner, E., Baltensperger, U., Zdimal, V., Zikova, N., Putaud, J.P., Marinoni, A., Tunved, P., Hansson, H.-C., Fiebig, M., Kivekas, N., Swietlicki, E., Lihavainen, H., Asmi, E., Ulevicius, V., Aalto, P.P., Mihalopoulos, N., Kalivitis, N., Kalapov, I., Kiss, G., Denier Van Der Gon, H.A.C., Visschedijk, A.J.H.: Variations in tropospheric submicron particle size distributions across the European continent 2008-2009, Atmos. Chem. and Phys. Vol 14 (8) p.4327-4348, 2014