Databases

INDEX COPERNICUS

Scientif journals database with more than 8.000 journals from all over the world. Rigorous information.

SCIENCE CITATION INDEX

It is a documental database where we can find all the contributions to the Thompson Reuters web.

BioOne

 Useful if we are looking for research in the biological, ecological, and environmental sciences.

COMPENDEX

We can find more than 7 million of bibliografical reference online to suport engineering research but you need to be subcribed.

INFORMATION BRIGDGE

The Information Bridge: DOE Scientific and Technical Information  offers public access to many full documents and bibliographic citations.

JOURNALSEEK

Free database of journals information it includes de description and the aims of the journal but we will not find the full text.

USPTO

United States Patents and Trademark Office has a wonderfull database of patents and it is a public domain.

UNIDI

Udini store 150 million articles about every topic you need to find information.

JSTOR

Another good database with primary sources, journals and books.