On an infinite class of non-bipartite and non-cayley graphs having 2-arc transitive automorphism groups. - Luz R. Nochefranca (Graphs Comb., 1991)

The wide-diameter of the generalized de Bruijn graphs UGB(n, n(n+1)). - Jaime D. L. Caro; Luz R. Nochefranca; Polly W. Sy; Felix P. Muga II (ISPAN, 1996)

The Diameter and Hamiltonian Cycle of the Generalized De Bruijn Graphs UGB(n, n(n+1)). - Luz R. Nochefranca; Polly W. Sy (Int. J. Found. Comput. Sci., 1998)

On the Diameter of the Generalized De Bruijn Graphs UGB(n, n2+1). - Jaime D. L. Caro; Luz R. Nochefranca; Polly W. Sy (ISPAN, 2000)