1. Quotient Sets, Homomorphic Images and Multipliers;Arasu,1983
2. K. T. Arasu and D. K. Ray-Chaudhuri, Multiplier theorem for a difference list, to appear.
3. Design Theory;Beth,1985
4. Difference sets in a finite group;Bruck;Trans. Amer. Math. Soc.,1955
5. Cyclic incidence matrices;Hall;Canad. J. Math.,1951