1. Permutation Groups and Combinatorial Structures;Biggs,1979
2. On the orbits of collineation groups;Block;Math. Z.,1967
3. Parallelisms of Complete Designs;Cameron,1976
4. Block-transitive t-designs, I: point-imprimitive designs;Cameron;Discrete Math.,1993
5. Block-transitive t-designs, II: large t;Cameron,1993