[. Franks, J. Williams, and R. , Braids and the Jones-Conway polynomial, Trans. Amer. Math. Soc, pp.303-97, 1987.

H. R. Morton, Seifert circles and knot polynomials, Proc. Cambridge Philos. Soc. 99, pp.107-109, 1986.
DOI : 10.1090/S0273-0979-1985-15361-3

D. Rolfsen, Knots and Links, Publish or Perish, Ville, Singularity knots of minimal surfaces in R 4, 1990.