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Full text articles from over 8,400 journals and citations for over 14,000 publications. Also includes complementary reference, newspaper, and audio content.

Full text articles and chapters from over 4,700 journals and over 34,000 books from 1995 to present.

Full text of over 800,000 technical reports and citations for over 3 million reports. Use the Advanced Search box in the upper left hand corner to start searching and the filters in the Search Results area to add more words to your search or to sort by title or publication date.