Sauter, M., Tshisuaka, B., Fetzner, S. and Lingens, F. (1993). „Microbial metabolism of quinoline and related compounds. XX. Quinaldic acid 4-oxidoreductase from Pseudomonas sp. AK-2 compared to other procaryotic molybdenum-containing hydroxylases”. Biol. Chem. Hoppe Seyler374: 1037-1046. PMID8292263.
Fetzner, S. and Lingens, F. (1993). „Microbial metabolism of quinoline and related compounds. XVIII. Purification and some properties of the molybdenum- and iron-containing quinaldic acid 4-oxidoreductase from Serratia marcescens 2CC-1”. Biol. Chem. Hoppe-Seyler374: 363-376. PMID8357532.