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) , Andreas Schmidt-Ott (author) , D Worsnop (author) , M Kulmala (author)