1. In memoriam of Paul Erdös;Baumgartner;Bull Symbolic Logic,1997
2. On a bipartite form of the Ramsey problem;Beineke,1975
3. Design Theory;Beth,1986
4. Extremal Graph Theory;Bollobás,1978
5. Hyper-rook domain inequalities;Carnielli;Stud. Appl. Math.,1990