1. Finite Semigroups and Universal Algebra;Almeida,1995
2. Dynamics of implicit operations and tameness of pseudovarieties of groups;Almeida;Trans. Amer. Math. Soc.,2002
3. J. Almeida, Profinite groups associated with weakly primitive substitutions, Fundamentalnaya i Prikladnaya Matematika 11–3 (2005) (in Russian). English translation in J. Math. Sci. (in press)
4. Profinite semigroups and applications;Almeida,2005
5. Subword complexity of profinite words and subgroups of free profinite semigroups;Almeida;Internat. J. Algebra Comput.,2006