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3. A.A. Bruen, Inversive Geometry and Some New Translation Planes I.Geom. Dedic. 7, (1977), 81?98.
4. A.A. Bruen - J.A. Thas, Flocks, Chains and Configurations in Finite Geometries,Rend. Atti Accad. Naz. Lincei, (8),59, (1975),744?748.
5. M. Capursi, A Translation Plane of Carder 112,to appear on J. Combin. Theory.