1. The graded Witt ring and Galois cohomology. I;Arason,1984
2. Class Field Theory;Artin,2009
3. Euklidische Körper und euklidische Hüllen von Körpern;Becker;J. Reine Angew. Math.,1974
4. Hereditarily-Pythagorean Fields and Orderings of Higher Level;Becker,1978
5. Rings with Generalized Identities;Beidar,1995