Internet security : strategies and solutions / Judith Jeffcoate, Caroline Chappell; ed. Heather Stark
Manual do piloto civil : Portugal / Direcção-Geral da Aviação Civil
Practical guide to CE marking : the EU directive on electromagnetic compatibility (EMC): 89/336/EEC / published jointly by ESA - Konsulter AB and Single Market Ventures
Survey global de compensações : Portugal 1997