Relating high ozone, ultrafine particles, and new particle formation episodes using cluster analysis
Carnerero, C., Pérez, N., Petäjä, T., Laurila, T.M., Ahonen, L.R., Kontkanen, J., Ahn, K., Alastuey, A., Querol, X. Atmospheric Environment: X Volume 4, 100051 (doi:10.1016/j.aeaoa.2019.100051)