This web page lists the references in my paper:

"Counterexamples to Two Conjectures about Distance Sequences" with M.E. Watkins, Discrete Mathematics, 66(1987), p. 289-298.

• L. Babai, Problem 29 in: K. Heinrich, ed., Unsolved Problems, Summer Research Workshop in Algebraic Combinatorics, Mathematics Department, Simon Fraser University, Burnaby, B.C., Canada V5A 1S6, 1979(8).
• W. Dorfler and W. Imrich, "uber das starke Produkt von endlichen Graphen", Oster. Akad. Wiss. Math. Naturw. Kl. Sitzber. II, 178(1970), 247-262.
• H. Fleisher and W. Imrich, "Transitive planar graphs", Mat. Slovaca, 29(1979), 97-105.
• H. A. Jung and M. E. Watkins, "On the structure of infinte vertex-transitive graphs", Discrete Math., 18(1977), 45-53.
• G. Sabdussi, "The Composition of Graphs", Duke Math. J., 26(1959), 693-696.
• G. Sabdussi, "Graph Multiplication", Math. Z., 72(1972), 446-457.