L’information scientifique et technique en libre accès : recherche et veille

From Google's English: "The scientific and technical resources freely available is a fairly substantial additional holdings: about 20% of scientific articles are accessible free of charge. If access to scientific resources is an important issue, the use of these is another. Among the many open archives (institutional, thematic and central) and open access journals, it is not always obvious to the researcher to navigate. The objective of this paper is to present some "tools" that facilitate retrieval and the establishment of a scientific resource for free access...."