An online-search is possible in three categories. in catalogues, in databases and in internet search services.
Metakatalog: Karlsruhe Virtual Catalog (KVK)
Search for content in books:
Search for the titles of journals:
Zeitschriftendatenbank ZDB: world's largest database of titles of journals
Search in the content of open access journals:
How to get literature, that is not available in Tuebingen?
licensed databases (available only in the network of the university):
Facts and documents:
Statistics of the EU: EuroStat
3. Internet search engines
Please use the "advanced search" option of search engines, often displayed after searching. The search operatos are really helpful. The special service 2lingual Search gives the opportunity to initiate a translated search via Google.
Meta search engine: etools.ch
Special search engines:
scientific search engine: Google Scholar
search for news: GoogleNews
full text search (repositories)
search for Videos
Table of Contents (tocs) / Alertdienste
4. helpfull stuff