1. Bayer-Fluckiger, E., Parimala, R.: Galois cohomology of the classical groups over fields of cohomological dimension ? 2. Invent. Math. 122 (2), 195?229 (1995)
2. Elman, Richard, Lam, Tsit Yuen.: Quadratic forms and the u-invariant. I. Math. Z. 131, 283?304 (1973)
3. Elman, Richard.: Quadratic forms and the u-invariant. III. Conference on Quadratic Forms?1976 (Proc. Conf., Queen?s Univ., Kingston, Ont., 1976). Queen?s Papers in Pure and Appl. Math., No. 46, Queen?s Univ., Kingston, Ont., pp. 422?444 1977
4. Grenier-Boley, N., Mahmoudi, M. G.: Exact sequences of Witt groups. Commun. Alg. (to appear)
5. Hoffmann, Detlev W.: Van Geel, Jan, Zeros and norm groups of quadratic forms over function fields in one variable over a local non-dyadic field. J. Ramanujan Math. Soc. 13 (2), 85?110 (1998)