Decision Problems Concerning S-Arithmetic Groups. - Fritz Grunewald; Daniel Segal (J. Symb. Log., 1985)

A Numerical Study of Eigenvalues of the Hyperbolic Laplacian for Polyhedra with One Cusp. - Fritz Grunewald; Wolfgang Huntebrinker (Exp. Math., 1996)

The Cohomology of Lattices in SL(2, ℂ). - Tobias Finis; Fritz Grunewald; Paulo Tirao (Exp. Math., 2010)

Characterization of Solvable Groups and Solvable radical. - Fritz Grunewald; Boris Kunyavskii; Eugene Plotkin (Int. J. Algebra Comput., 2013)