- M. Deza, P. Frankl, “Bounds on the maximum number of vectors with given scalar products”, Proc. Amer. Math. Soc., 95, no. 2, 1985,
323 
- Hannu Tarnanen, “Upper bounds for constant weight and Lee codes slightly outside the plotkin range”, Discrete Applied Mathematics, 16, no. 3, 1987,
265