References
- Adams, C. (1994). The Knot Book. New York: W.H. Freeman.
- Bates, A., Maxwell, A. (2005). DNA Topology. Oxford: Oxford Univ. Press.
- Burde, G., Zieschang, H., Heusener, M. (2014) Knots. Berlin: DeGruyter.
- Cromwell, P. (2004). Knots and Links. Cambridge: Cambridge Univ. Press.
- Rolfsen, D. (1976). Knots and Links. Providence, RI: AMS Chelsea Publishing.