Nucleation events in the continental boundary layer: Long-term statistical analysis of aerosol relevant characteristics,
Boy, M., U. Rannik, K. E. Lehtinen, V. Tarvainen, H. Hakola, M. Kulmala (2003),
J. Geophys. Res., 108, D21 p. 4667–4675,
10.1029/2003JD003838.