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open access to e-prints in physics, mathematics, computer science, quantitative biology, quantitative finance and statistics.
Decision Sciences Web
Online full-text links to articles in 15 scientific journals.
Gateway to the best science and engineering online resources.
Science.gov is a gateway to over 50 million pages of authoritative information provided by U.S. government agencies, including research and development results. Science.gov is an interagency initiative of 17 U.S. government science organizations within 13 Federal agencies.
A global science gateway; accelerating scientific discovery and progress through a multilateral partnership to enable federated searching of national and international scientific databases and portals.