1. EN 15483 Ambient air quality – Atmospheric measurements near ground with FTIR spectroscopy (2008).
2. EN 16253 Air quality – Atmospheric measurements near ground with active Differential Optical Absorption Spectroscopy (DOAS) – Ambient air and diffuse emission measurements (2013).
3. VDI 4211 Remote sensing – Atmospheric measurements using passive FTIR spectroscopy – Emission and ambient air measurements (2018).
4. VDI 4212 Remote sensing – Atmospheric measurements using passive DOAS – Gaseous emissions and ambient air measurements (draft version 2017).
5. Nonintrusive optical measurements of aircraft engine exhaust emissions and comparison with standard intrusive techniques