In the tab "Articles & more" you can search partly in the university librarys licenced databases, e-journals and e-book-portals. In many cases you can directly download the PDF of the article. If you log in with your user number and your password, you can often get better results. Please note: In the tab "Articles & more" you can only find a selection of the articles avaialble. For more comprehensive results, please use the relevant databases.