Real-time detection of highly oxidized organosulfates and BSOA marker compounds during the F-BEACh 2014 field study oleh M. Brüggemann, L. Poulain, A. Held, T. Stelzer, C. Zuth, S. Richters, A. Mutzel, D. van Pinxteren, Y. Iinuma, S. Katkevica, R. Rabe, H. Herrmann, T. Hoffmann