1. Linear Groups;Dickson,1958
2. Translation Planes that Admit a Collineation Group of Order q2 − 1;Figueroa,1989
3. Ovoids and translation planes;Kantor;Canad. J. Math.,1982
4. N. L. Johnson, Ovoids and translation planes revisited, Geom. Dedicata, to appear.
5. N. L. Johnson, Maximal partial spreads and central groups, Note Mat., to appear.