Cameron, P. J., & Lint, J. H. v. (1975). Graph theory, coding theory, and block designs. Cambridge University Press.

Cameron, Peter J., and Jacobus Hendricus van Lint. Graph Theory, Coding Theory, and Block Designs. Cambridge, Eng. ; New York: Cambridge University Press, 1975.

Cameron, Peter J., and Jacobus Hendricus van Lint. Graph Theory, Coding Theory, and Block Designs. Cambridge University Press, 1975.