Journal article (2015) - J Kangasluoma (author), MB Attoui (author), T Petaja (author), H Junninen (author), K Lehtipalo (author), A Samodurov (author), F Korhonen (author), N Sarnela (author), A. Schmidt-Ott (author), Andreas Schmidt-Ott (author), D Worsnop (author), M Kulmala (author)