1. Beth T., Jungnickel D., Lenz H.: Design Theory. Cambridge University Press, Cambridge (1999).
2. Blake I.F., Mullin R.C.: An Introduction to Algebraic and Combinatorial Coding Theory. Academic Press, New York (1976).
3. Bogdanova G., Todorov T., Zinoviev V.A.: On construction of $$q$$ q -ary equidistant codes. Probl. Inf. Transm. 43, 13–36 (2007).
4. Chee Y.M., Kiah H., Ling A., Wang C.: Optimal equitable symbol weight codes for power line communications. In: ISIT 2012—Proceedings of the 2012 IEEE International Symposium on Information Theory, Cambridge, pp. 671–675 (2012).
5. Chee Y.M., Kiah H., Purkayastha P., Wang C.: Importance of symbol equity in coded modulation for power line communications. In: ISIT 2012—Proceedings of the 2012 IEEE International Symposium on Information Theory, Cambridge, pp. 666–670 (2012).