- Raw Particle Number Size-Distribution Data of twin-DMPS equipped with two CPCs for nanoparticle detection for SMEAR II station, Hyytiälä, Finland, Spring 2017(2023-05-23) Stolzenburg, Dominik; Laurila, Tiia; Kangasluoma, Juha; Institute for Materials Chemistry, TU Wien - Stolzenburg, Dominik; Institute for Atmospheric and Earth System Research/Physics, University of Helsinki - Laurila, Tiia; Institute for Atmospheric and Earth System Research/Physics, University of Helsinki - Kangasluoma, Juha