Tack, B.F., Chapman, P.J. and Dagley, S. (1972). „Purification and properties of 4-hydroxy-4-methyl-2-oxoglutarate aldolase”. J. Biol. Chem.247: 6444-6449. PMID5076765.
Maruyama, K. (1983). „Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase”. J. Biochem. (Tokyo)93: 557-565. PMID6841353.
Nogales, J., Canales, A., Jimenez-Barbero, J., Serra, B., Pingarron, J.M., Garcia, J.L. and Diaz, E. (2011). „Unravelling the gallic acid degradation pathway in bacteria: the gal cluster from Pseudomonas putida”. Mol. Microbiol.79: 359-374. PMID21219457.