All records can be retrieved and downloaded in their original formats, from text to multimedia. The site has an intuitive and clear structure, well organized & with efficient search tools but few navigational aids. Also provided a text-only version
Content material are browsable through directories/categories. An advanced search engine is also provided
Plenty of documents, full-text papers and publications are downloadable in their original format. Many others (in html format) can be saved on-screen
A simple textual map is enough to make easier the general navigation, due to the clear organization of the entire website - which is also available in a text-only version.
The overall structure is logically displayed into thematic categories and orientation is quite easy. The main menu makes use of the mouse rollover tecnique, and this sometimes could become uncomfortable for some users