1. Distance regular graphs with diameter three;Biggs;Annals Discr. Math.,1982
2. A generalization of Moore graphs of diameter two;Bose;J. Combin. Theory (B),1971
3. Polarities of G. Higman's symmetric design and a strongly regular graph on 176 vertices;Brouwer;Aequationes Math.,1982
4. A.E. Brouwer and H.A. Wilbrink, Ovoids and fans in the generalized quadrangle GQ(4,2), Math. Centre Report ZN 102/81.
5. Regular cliques in graphs and special 112-designs;Neumaier,1981