A complete parametriziation of cyclic field extensions of 2-power degree. D. Martinalis, L. Schneps (1993) Manuscripta mathematica
A Note on the Normality of Unramified, Abelian Extensions of Quadratic Extensions. Daniel J. Madden, William Yslas Velez (1979/1980) Manuscripta mathematica
An isomorphism theorem for Henselian algebraic extensions of valued fields. Serban A. Basarab, F.-V. Kuhlmann (1992) Manuscripta mathematica