网站简介：An electronic publishing service for bioscientists. In collaboration with publishers, editors and authors, it distributes peer-reviewed journals from around the world, plus reports, newsletters, and books in many scientific domains.
网站简介：Institutional Repository of the Spanish National Research Council (CSIC). Contains the research output produced by CSIC scientists including articles, pre-prints, communications, theses, patents and technical reports. [Spanish/English]
网站简介：At the IACR.
网站简介：Division of the Stanford University Libraries producing online versions of peer-reviewed journals and scholarly content.
网站简介：One of the eldest neurological journals. Leading studies in neurological science and practical clinical articles. Free access to editorials and abstracts.
网站简介：Provides free access to publications, theses and dissertations, electronic e-print journals. [English and German]
网站简介：Open access archive of preprints, postprints and other documents in the field of library and information science.
网站简介：Bookmarking network for researchers to share and explore links to great academic content on the web such as paper preprints, tutorials, source code, lecture notes, books, and much more.
网站简介：ScopeMed is an open access journal index and free manuscript management system for peer reviewed medical journals.
网站简介：EverySpec is a free source for documents that establish uniform engineering and technical requirements for military or commercial materials, processes, procedures, practices, and methods. Includes mil-std, mil-hdk, mil-spec, nasa, data item descriptions (Did's), military specifications and many other government related standards.
网站简介：An illustrated bimonthly magazine of science and technology published by Sigma Xi, the Scientific Research Society. Sample current content and archives on-line.
网站简介：Open Archive Initiative (OAI) compliant digital repository. E-journals, electronic theses and dissertations, faculty archives.
网站简介：Full-text peer-reviewed articles in neuroscience.
网站简介：International science humor magazine chronicles genuine and concocted research from Earth's best and worst scientists and science writers, and administers the annual Ig Nobel Prize ceremony. Many articles online not in the print version, and vice versa.
网站简介：Peer-reviewed, open-access online resource reporting scientific studies from all disciplines. Overview of articles, with guidelines for authors and reviewers.
网站简介：International peer reviewed research journal published monthly with online and print versions. Full articles can be accessed freely and archives are also available.
网站简介：Open access archive for papers related to research in organic agriculture.
网站简介：Publishes open access journals offering peer-reviewed, scientifically based articles and original research in the fields of pharmaceutical science, chemistry, biochemistry, microbiology and biotechnology.
网站简介：Preprint archive open to all researchers - 500 documents in computer sciences.
网站简介：Lists a large number of medical journals that currently provide free full-text access on the WWW.W.
网站简介：Digital repository of a research institutions in Norway. Includes full-text peer-reviewed journal reprints, theses, dissertations and other academic research materials. [English, Norwegian]
网站简介：Open access digital archives of research papers produced by authors at the University.
网站简介：A collection of free access e-journals hosted by the Virginia Tech Digital Library.
网站简介：Aims to improve the dissemination and feedback of scientific literature, and to provide improvements in functionality, usability, availability, cost, comprehensiveness, efficiency, and timeliness. Rather than creating just another digital library, CiteSeer provides algorithms, techniques, and software that can be used in other digital libraries. CiteSeer indexes Postscript and PDF research articles on the Web, and provides a number of special features.
网站简介：A popular science magazine, daily online news service and a weekly email newsletter. It treats scinece as a part of culture. Includes original news, features, opinion, fiction and polls.
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