TY - JOUR A1 - Häni, C. A1 - Bühler, M. A1 - Neftel, A. A1 - Ammann, C. A1 - Kupper, T. T1 - Performance of open-path GasFinder3 devices for CH4 concentration measurements close to ambient levels JO - Atmos. Meas. Tech. J1 - AMT VL - 14 IS - 2 SP - 1733 EP - 1741 Y1 - 2021/03/03 PB - Copernicus Publications SN - 1867-8548 UR - https://amt.copernicus.org/articles/14/1733/2021/ L1 - https://amt.copernicus.org/articles/14/1733/2021/amt-14-1733-2021.pdf DO - 10.5194/amt-14-1733-2021 ER -