LibraryOther resources



Free electronic resources

Online portal for general education.

Bentham Open Access

Free journals by Bentham Science Publishers.


Directory of Open Access Journals - online directory that indexes and provides access to quality open access, peer-reviewed journals.


Electronic repository of Institute of mathematics and informatics at Bulgarian academy of sciences.

E-thesis-Electronic Publications at the University of Helsinki

This site contains doctoral dissertations and other publications from the University of Helsinki.


Free access to European Union Law.

OpenDOAR - Directory of Open Access Repositories

The OpenDOAR service provides a quality-assured listing of open access repositories around the world.


Web search engines


Multi-disciplinary search engine for scientifically relevant web resources which was created and developed by Bielefeld University Library.

Google Book Search

Search engine for books.


Google Scholar

Search engine for scientific information.


Library catalogues


National academic library and information system.




Bibliographic information for documents in different languages and the nearest library they can be found in.