1. Extension of a theorem of Moon and Moser on complete subgraphs;de Caen;Ars Combinatoria,1983
2. On extremal problems on graphs and generalized graphs;Erdös;Israel J. Math.,1964
3. Some applications of Ramsey's Theorem to additive number theory;Erdös;Europ. J. Combinatorics,1980
4. P.Erdös;: Extremal problems in number theory, combinatorics and geometry, Proc. Inter. Congress in Warsaw, 1983 (to appear).
5. Many references to B2 sequences can be found in: H. Halberstam and K. F. Roth, Sequences, Clarendon Press, Oxford, 1966, chapters 2, 3.