References

 

[1]

Peter J. Cameron. Combinatorics: Topics, Techniques, Algorithms. Cambridge University Press, Cambridge, 1994.

 

[2]

Anne Penfold Street and Deborah J. Street. Combinatorics of Experimental Design. Oxford University Press, Oxford, 1987.

 

[3]

J. H. van Lint and R. M. Wilson. A Course in Combinatorics. Cambridge University Press, Cambridge, 1992.

 

[4]

W. D. Wallis. Combinatorial Designs, volume 118 of Pure and Applied Mathematics. Marcel Dekker, Inc., New York, 1988.