Atmospheric NO2 profiles measured with lidar during the CINDI-2 campaignA.J.C. Berkhout, L.F.L. Gast, G.R. van der Hoff, D.P.J. Swart, M. Hoed and M. AllaartEPJ Web Conf., 176 (2018) 10002DOI: https://doi.org/10.1051/epjconf/201817610002