1. Béland, S., Harder, J., Woods, T.: 2013, 10 years of degradation trends of the SORCE SIM instrument. In: SPIE 8862. 88620O.
2. Béland, S., Harder, J., Woods, T.: 2014, Eleven years of tracking the SORCE SIM instrument degradation caused by space radiation and solar exposure. In: Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave. 91434W.
3. BenMoussa, A., Gissot, S., Schühle, U., Del Zanna, G., Auchère, F., Mekaoui, S., Jones, A.R., Walton, D., Eyles, C.J., et al.: 2013, On-orbit degradation of solar instruments. Solar Phys. 288, 389. DOI.
4. Coddington, O., Lean, J.L., Pilewskie, P., Snow, M., Lindholm, D.: 2015, A solar irradiance climate data record. Bull. Am. Meteorol. Soc. 97, 1265. DOI.
5. Dewitte, S., Crommelynck, D., Joukoff, A.: 2004, Total solar irradiance observations from DIARAD/VIRGO. J. Geophys. Res. 109, A02102. DOI.