HOLZER H, HOLLDORF A (1957). “[Isolation of D-glycerate dehydrogenase, some properties of the enzyme and its application to the enzymic-optic determination of hydroxypyruvate in presence of pyruvate.]”. Biochem. Z.329: 292–312. PMID13522707.
STAFFORD HA, MAGALDI A, VENNESLAND B (1954). “The enzymatic reduction of hydroxypyruvic acid to D-glyceric acid in higher plants”. J. Biol. Chem.207: 621–9. PMID13163046.