1. Even order inversive planes, generalized quadrangles and codes;Bagchi;Geom. Dedicata,1987
2. Un'estensione del teorema di Segre-Kustaanheimo;Barlotti;Boll. Un. Mat. Ital.,1955
3. Some topics in finite geometrical structures;Barlotti,1965
4. Mathematical theory of the symmetrical factorial design;Bose;Stutkhya,1947