Good level of usability with a simple keyword search engine. Navigational aids, browsing tips and a clickable sitemap are also available.
Users are allowed to browse through categories or by a simple keyword engine
Full-text papers are downloadable in pdf format while for other material only webpage saving is possible
The website is clearly and simply organized. Nevertheless, it offers many navigational aids: clickable sitemap organized by topic, search facilities and browsing tips
The website is easy to navigate even for non-experts. The site structure is logically organised by clear content subdivisions