ネガティブフィードバック機構
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↑ Charles D H Williams. “Types of feedback control”. Feedback and temperature control. University of Exeter: Physics and astronomy. 2014年6月8日閲覧。
↑ Giannini, Alessandra; Biasutti, Michela; Verstraete, Michel M. (2008-12-01). “A climate model-based review of drought in the Sahel: Desertification, the re-greening and climate change”. Global and Planetary Change 64 (3): 119–128. Bibcode: 2008GPC....64..119G. doi:10.1016/j.gloplacha.2008.05.004. ISSN 0921-8181.
↑ Bechhoefer, John (2005). “Feedback for Physicists: A Tutorial Essay On Control”. Reviews of Modern Physics 77 (3): 783–835. Bibcode: 2005RvMP...77..783B.