Automorphism Groups of Posets and Lattices with a Given Subset of Fixed Points. M.E. Adams; J. Sichler — 1982 Monatshefte für Mathematik
The congruence class of an idempotent in a regular semigroup. M.E. Adams; M. Gould; S.T. Tschantz — 1991 Semigroup forum
Automorphism Groups of Finite Distributive Lattices with a Given Sublattice of Fixed Points. M.E. Adams; L.,Sichler, J. Babai — 1980 Monatshefte für Mathematik