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http://www.doaj.org/
Categorized, searchable links to free, full text, quality controlled scientific and scholarly journals.
http://www.dspace.org/
An Open Archive Initiative (OAI)compliant open-source software released by MIT for archiving eprints and other kinds of academic content. Mission, policy, technical features, implementations.
http://www.nature.com/
International weekly refereed journal of scientific research. Free registration for searchable abstracts: full content requires subscription.
http://oaister.umdl.umich.edu/o/oaister/
Gives access to a large number of eprints archives and electronic resources and through the OAI harvesting protocol reveals digital resources previously hidden from users behind web scripts.
http://www.openarchives.org/
Develops and promotes interoperability standards that aim to facilitate the efficient dissemination of e-prints and other electronic content, primarily in the sciences.
http://www.openarchives.org/
The Open Archive community. Promotion of interoperability standards that aim to facilitate the dissemination of content, by enhancing access to e-print archives. Online documents, links and forums.
http://www.sciencedirect.com/
An information source for scientific, technical, and medical research. Subscription required for some sections.
http://www.pnas.org/
The Proceedings of the National Academy of Sciences Online (U.S.)Multidisciplinary journal covering the biological, physical, and social sciences. Published biweekly. Archives go back to January 1996. Subscription required for full site access.
http://www.pnas.org/
The Proceedings of the National Academy of Sciences Online (U.S.)PNAS. Beginning January 2002, PNAS research articles and papers published online before print in PNAS Early Edition are available only to paid subscribers for six months. All articles from 1990 through 2001 remain freely available.
http://www.annualreviews.org/
Nonprofit science publisher, publishing annual syntheses of the latest developments in 29 fields of science.
http://arxiv.org/
An Open Archives Initiative (OAI) compliant archive of electronic preprints in physics, mathematics, computer science, and non-linear sciences. Created by Paul Ginsparg in 1991, it is one of the oldest archives of free online scholarship.
http://www.biomedcentral.com/
Online publisher of free peer-reviewed scientific articles in all areas of medical research and biology. Although it is a for-profit publisher, it provides free online access to all its research articles. Starting in 2002, authors will be charged processing fees, although these will be waived for authors from developing countries and in some other circumstances. Authors always retain the copyright to their articles.
http://www.csa.com/
Providing print and electronic research databases of citations and full text in the sciences. Title list of databases, journals by subject, login scripts for web masters, subscriber and guest demonstration access to CSA databases, and other product information.
http://hal.ccsd.cnrs.fr/
An interface for submitting scientific papers to the article database of the French Centre pour la Communication Scientifique Directe. Papers in mathematics, physics, information science are instantly and automatically directed to arXiv [bilingual site in English/French].
http://cdsware.cern.ch/
An OAI-compliant software for document servers developed at CERN and licensed under GNU General Public License (GPL). Allows institutions to build their own electronic library and to make it accessible on the web. Features, support, download area.