1. Linkage of quadratic Pfister forms;Chapman;Commun. Algebra,2017
2. Central Simple Algebras and Galois Cohomology;Gille,2006
3. Introduction to Quadratic Forms over Fields;Lam,2005
4. Biquaternion algebras and quartic extensions;Lam;Publ. Math. IHÉS,1993
5. On the norm residue symbol of degree two;Merkurjev;Sov. Math. Dokl.,1981