A Rank 2 Characterization of Twinnings. - Bernhard Mühlherr (Eur. J. Comb., 1998)

On Isomorphisms between Coxeter Groups. - Bernhard Mühlherr (Des. Codes Cryptogr., 2000)

Intrinsic reflections in Coxeter systems. - Bernhard Mühlherr; Koji Nuida (J. Comb. Theory A, 2016)