1. Euclidean Ramsey theorems, I;Erdös;J. Combinatorial Theory Ser. A,1973
2. Euclidean Ramsey theorems, II, III;Erdös,1975
3. Euclidean Ramsey theorems, II, III;Erdös,1975
4. All right triangles are Ramsey in E2!;Shader;J. Combinatorial Theory Ser. A,1976