Congruence pairs for algebras abstracting Kleene and Stone algebras Rodney Beazer — 1985 Czechoslovak Mathematical Journal
Double p -algebras with Stone congruence lattices Michael E. Adams; Rodney Beazer — 1991 Czechoslovak Mathematical Journal
Congruence properties of distributive double p -algebras Michael E. Adams; Rodney Beazer — 1991 Czechoslovak Mathematical Journal