1. Minkos A., Dauert U., Feigenspan S., Kessinger S. Air Quality. German Environment Agency Dessau-Roßlau, 2019, p. 6, (in German).
2. Schneider A., Cyrys J., Breitner S., Kraus U., Peters A., Diegmann V., Neunhäuserer L. Quantification of environmental illnesses due to exposure to nitrogen dioxide in Germany. German Environment Agency, Dessau-Roßlau, 2018, p. 123, (in German).
3. Richard J., Mazur H., Lauenstein D. Manual Noise Action Plans – Recommendations for action for noise-reducing traffic planning. German Environment Agency, Dessau-Roßlau, 2015, p. 101, (in German).
4. Wolf M., Hund S., Rudolph M., Kanoun O. Design of a wireless and energy autonomous sensor network for condition monitoring of tram drive components. Designs, 2018, https://doi.org/10.3390/designs2040050.
5. Diagnostics using self-sufficient wireless sensor network for a condition-based maintenance strategy - strategy for tram bearing diagnostics;Wolf;13th International Multi-Conference on Systems, Signals and Devices, Leipzig, Germany,2016