The contribution of the postal and delivery sector : between e-Commerce and e-Substitution / ed. by Pier Luigi Parcu, Timothy J. Brennan and Victor Glass
Superintelligence : paths, dangers, strategies / Nick Bostrom
Direito administrativo / Francisco António de Macedo Lucas Ferreira de Almeida
Trinta árvores em discurso directo / António Bagão Félix; il. João Leal Pereira