1. Partial spreads, packings and Hermitian manifolds in PG(3, q);Bruen;Math. Z.,1976
2. Finite Geometries;Dembowski,1968
3. Some packings of projective spaces;Denniston;Atti Accad. Naz. Lincei Ser. VIII,1972
4. Cyclic packings of the projective space of order 8;Denniston;Atti Accad. Naz. Lincei Ser. VIII,1973
5. Flocks in PG(3, q);Fisher;Math. Z.,1979