1. Alspach, B., Zhang, C.Q. Hamilton cycles in cubic Cayley graphs on dihedral groups. Ars Combinatoria., 28: 101–108 (1989)
2. Alspach, B. Unsolved problem 4.5. Ann. Discrete Math., 27: 464 (1985)
3. Biggs, N.L. Algebraic Graph Theory, 2nd. Cambridge Univ. Press, New York, 1992
4. Curran, S.J., Gallian, J.A. Hamiltonian cycles and paths in Cayley graphs and digraphs-a survey. Discrete Mathematics, 156: 1–18 (1996)
5. Diaconis, P., Holmes, S. Grey codes for randomization procedures. Technical Report No. 10, Dept. Statistics, Stanford Univ, 1994