1. Chirality index of Coxeter chiral maps;Breda;Ars Combin.,2006
2. Classification of primer hypermaps with a prime number of hyperfaces;Breda d’Azevedo;European J. Combin.,2011
3. A. Breda d’Azevedo, M.E. Fernandes, Classification of regular oriented hypermaps with a prime number of hyperfaces, Ars Math. Contemp. in press.
4. Regular oriented hypermaps up to five faces;Breda d’Azevedo;Acta Universit. Mattiae Bellii Ser. Math.,2010
5. Totally chiral maps and hypermaps of small genus;Breda d’Azevedo;J. Algebra,2009