1. $\{ k;n\}$-archi di un piano lineare finite,;A. S. Barlotti;Boll. Un. Mat. Ital.,1956
2. Some sets of type $(m,n)$ in cubic order planes,;L. M. Batten;Des. Codes Cryptogr.,1999
3. Scattered spaces with respect to a spread in $PG(n,q)$,;A. Blokhuis;Geom. Dedicata,2000
4. Mathematical theory of the symmetrical factorial design,;R. C. Bose;Sankhyā Indian J. Stat.,1947
5. The Magma algebra system I. The user language,;W. Bosma;J. Symb. Comput.,1997