1. N. A.BaloninandD. Z.Djokovic Three new lengths for cyclic Legendre pairs.https://arxiv.org/abs/2010.02829
2. Compression of periodic complementary sequences and applications
3. Application of the discrete Fourier transform to the search for generalised Legendre pairs and Hadamard matrices;Fletcher R. J.;Australas. J. Combin,2001
4. Weighing Matrices and String Sorting
5. D. L.KreherandD. R.Stinson Combinatorial algorithms. Generation enumeration and search 1st ed. CRC Press Taylor & Francis 1998.