Short, Hamish y Francisco Javier González Acuña. «Cyclic Branched Coverings of Knots and Homology Spheres». Revista Matemática Complutense, vol. 4, vol. 4, n.º 1, 1991, p. 97, doi: https://doi.org/10.5209/rev_REMA.1991.v4.n1.18004.