Connoteapop Free online reference management service for scientists to store or share articles and links. http://www.connotea.org/ (Rating: 0.00 Votes: 0)
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PSIgate: Physical Sciences Information Gatewaypop Offers access to on-line resources in the physical sciences: astronomy, chemistry, earth sciences, materials sciences, physics, and general science. http://www.psigate.ac.uk/newsite/ (Rating: 0.00 Votes: 0)
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