J. S. Milligan et al., Exploring Transcription Factor Binding Properties of Several Non-coding DNA Sequence Elements in the Human NF-IL6 Gene, in: Journal of Molecular Biology (jmb), vol. 337, issue 3, 2006-03-31, p. 732 ([Internet, 2020-01-28](https://www.sciencedirect.com/science/article/pii/S0022283605016633))