1. ^{{cite journal | vauthors = Uetz T, Schneider R, Snozzi M, Egli T | title = Purification and characterization of a two-component monooxygenase that hydroxylates nitrilotriacetate from "Chelatobacter" strain ATCC 29600 | journal = Journal of Bacteriology | volume = 174 | issue = 4 | pages = 1179–88 | date = February 1992 | pmid = 1735711 | pmc = 206410 }}
2. ^{{cite journal | vauthors = Knobel HR, Egli T, van der Meer JR | title = Cloning and characterization of the genes encoding nitrilotriacetate monooxygenase of Chelatobacter heintzii ATCC 29600 | journal = Journal of Bacteriology | volume = 178 | issue = 21 | pages = 6123–32 | date = November 1996 | pmid = 8892809 | pmc = 178480 }}
3. ^{{cite journal | vauthors = Xu Y, Mortimer MW, Fisher TS, Kahn ML, Brockman FJ, Xun L | title = Cloning, sequencing, and analysis of a gene cluster from Chelatobacter heintzii ATCC 29600 encoding nitrilotriacetate monooxygenase and NADH:flavin mononucleotide oxidoreductase | journal = Journal of Bacteriology | volume = 179 | issue = 4 | pages = 1112–6 | date = February 1997 | pmid = 9023192 | pmc = 178806 }}