Engineer C.B., Hashimoto-Sugimoto M., Negi J., Israelsson-Nordström M., Azoulay-Shemer T., Rappel W.-J., Iba K., Schroeder J.I. CO2 Sensing and CO2 Regulation of Stomatal Conductance: Advances and Open Questions. 2016. Trends in Plant Science. 21. 1. 16-30. 10.1016/j.tplants.2015.08.014.