1. “About GoSat,” www.gosat.nies.go.jp/en/about_1_goal.html
2. “Orbiting Carbon Observatory 2,” https://oco.jpl.nasa.gov/
3. “GHGSat Surveillance globale des émissions,” www.ghgsat.com/fr/
4. The Microcarb instrument;Pasternak,2016
5. CarbonSat instrument pre-developments : towards monitoring carbon dioxide and methane concentration from space;Sierk,2016