1. 2-designs having an intersection number k−n;Beker;J. Combin. Theory Ser. A,1980
2. Strongly regular graphs;Brouwer,2007
3. Distance-Regular Graphs;Brouwer,1989
4. A Diophantine equation arising from tight 4-designs;Bremner;Osaka J. Math.,1979
5. Designs, Graphs, Codes and Their Links;Cameron,1991