1996 Kagan's european television / ed. Kagan World Media
Relatório do desenvolvimento humano 1996 / coord. João Estêvão; trad. Catarina Ferreira...[et al.]
Purchasing power parities and real expenditures : EKS results 1993 / Organisation for Economic co-Operation and Development
Fixed and mobile networks : the business oppurtunity for convergent services / Mari Vahanissi, Malcolm Tott