Groups with Automorphisms Inverting most Elements.
Groups with the same prime graph as an almost sporadic simple group.
Grouptheoretical investigations on computers
Gruppi di operatori che fissano un sottogruppo di Sylow
Gruppi ed automorfismi
Matrix generators for the Harada-Norton group.
Minimal abelian automorphism groups of finite groups
Modular representations and almost free actions.
Neuer Beweis eines Fundamentaltheorems aus der Theorie der Substitutionslehre
Nilpotent Fixed Point Free Automorhism Group of Solvable Groups.
Nilpotente Gruppen und Stabilitätsgruppen.
Normal p-Subgroups in the Group of Outer Automorphisms of a Finite p-Group.
Odd Automorphisms of Sylow 2-subgroups of sporadic simple groups.
On a conjecture of M. E. Watkins on graphical regular representations of finite groups
On automorphism groups of finite -groups
On generalized groups.
On groups admitting a group of automorphisms whose centralizer has bounded rank.
On groups of odd order admitting an elementary 2-group of automorphisms
On orbits of automorphism groups.
On Outer Automorphism Groups.