1. Arasu, K.T., 1996. Private email communication to J. Seberry, 22 July.
2. Circulant weighing designs;Arasu;J. Combin. Des.,1996
3. Craigen, R., 1996. Weighing matrices and conference matrices. In: Colbourn, C.J., Dinitz, J.H. (Eds.), The CRC Handbook of Combinatorial Designs. CRC Press, Boca Raton, FL, pp. 496–504.
4. Eades, P., 1977. On the existence of orthogonal designs. Ph.D. Thesis, Australian National University, Canberra.
5. Eades, P., 1979. Circulant (v,k,λ) designs, Combinatorial Mathematics VII. Lecture Notes in Mathematics, vol. 829. Springer, Berlin, pp. 83–93.