| Nasa Journals | |
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The SAO/NASA Astrophysics Data System (ADS) is a Digital Library portal for researchers in Astronomy and Physics, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant. |
| Cross Ref Journals | |
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CrossRef is a not-for-profit membership association whose mission is to enable easy identification and use of trustworthy electronic content by promoting the cooperative development and application of a sustainable infrastructure. |
| Cabell's Journals | |
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Cabell Publishing, Inc., was founded in 1978, our goal is to help professors, graduate students and researchers to publish their manuscripts in academic journals. To achieve this objective the company strives to maintain current contact infor mation and websites for a large number of journals. |
| Google Scholar Journals | |
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Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites...... |