Arnold, F. Frank Arnold - Atmospheric Trace Gases and Ions, Research Groups, MPI for Nuclear Physics, Max Planck Society;
Roiger, A., Aufmhoff, H., Stock, P., Arnold, F., & Schlager, H. (2011). An aircraft-borne chemical ionization - ion trap mass spectrometer (CI-ITMS) for fast PAN and PPN measurements. Atmospheric measurement techniques, 4(2), 173-188. doi:10.5194/amt-4-173-2011.