1. Baranyai's theorem;Baranyai,1973
2. A. Beutelspacher, On parallelisms in finite projective spaces, manuscript.
3. The construction of translation planes from projective spaces;Bruck;J. Algebra,1964
4. Construction problems of finite projective spaces;Bruck,1969
5. Spreads and a conjecture of Bruck and Bose;Bruen;J. Algebra,1972