Martin, C. R., Zeng, N., Karion, A., Dickerson, R. R., Ren, X., Turpie, B. N., and Weber, K. J.: Evaluation and environmental correction of ambient CO2 measurements from a low-cost NDIR sensor, Atmos. Meas. Tech., 10, 2383-2395, https://doi.org/10.5194/amt-10-2383-2017, 2017.

van den Bosche et al work on CH4: https://www.sciencedirect.com/science/article/pii/S0925400516311273
Quote 0 0
Jonathan E. Thompson (2016), 'Crowd-sourced air quality studies: A review of the literature & portable sensors'. Trends in Environmental Analytical Chemistry 11, 23-34.
Quote 0 0