Maia, Jader Braga
Carvalho, Geraldo Andrade
Medina, Pilar
Garzón, Agustín
Gontijo, Pablo da Costa
Viñuela, Elisa
Funding for this research was provided by:
CAPES Foundation (Brazilian Ministry of Education) (no 5725/11-9)
Spanish Ministry of Education and Culture (project AGL2010-22196-02)