TCA cycle (aka Krebs or citric acid cycle)
Sazanov LA, Jackson JB. Proton-translocating transhydrogenase and NAD- and NADP-linked isocitrate dehydrogenases operate in a substrate cycle which contributes to fine regulation of the tricarboxylic acid cycle activity in mitochondria. FEBS Lett. 1994 May 16;344(2-3):109–16. doi: 10.1016/0014-5793(94)00370-x. PMID: 8187868.