Doing business with OFTEL : a guide for suppliers and large users of telecommunications services to how the regulatory process works and how to make the best of it / Office of Telecommunications
Antennas and propagation : ninth international conference: 4-7 April 1995 / org. by the Electronics Division of the Institution of Electrical Engineers and the Technical University of Eindhoven
Relatório e contas
Relatório e contas 1990 / Banco Comercial Português