García, O., Schneider, M., Hase, F., Blumenstock, T., Wiegele, A., Sepúlveda, E. and Gómez-Peláez, A. 2014. Validation of the IASI operational CH4 and N2O products using ground-based Fourier Transform Spectrometer: preliminary results at the Izaña Observatory (28ºN, 17ºW). Annals of Geophysics. 56, (Jan. 2014). DOI:https://doi.org/10.4401/ag-6326.