Schaller, H., Nüsslein, C., Bonhoeffer, F., Kurz, C., & Nietzschmann, I. (1972).
Affinity chromatography of DNA-binding enzymes on single-stranded DNA-agarose columns. European Journal
of Biochemistry, 26(4), 474-481. doi:10.1111/j.1432-1033.1972.tb01789.x.