Buchanan, B.B. & Evans, M.C.W. (1965). „The synthesis of α-ketoglutarate from succinate and carbon dioxide by a subcellular preparation of a photosynthetic bacterium”. Proc. Natl. Acad. Sci. USA. 54: 1212—1218. PMID4286833.
Gehring, U. & Arnon, D.I. (1972). „Purification and properties of α-ketoglutarate synthase from a photosynthetic bacterium”. J. Biol. Chem. 247: 6963—6969. PMID4628267.