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Full-text database focusing on agriculture, ecosystem ecology, energy and related fields. More than 1,200 full-text journals, with indexing for an addition 800+ journals. Includes author profiles. Coverage dates: Varies.
GeoRef searches the geoscience literature of the world, and includes millions of reference to geoscience journal articles, books, maps, conference papers, reports, and theses. Coverage dates: 1785 - current.
A citation database that allows you to search the online versions of Science Citation Index and Social Sciences Citation Index. The analyze tool can be used to filter results by author, publication year, journal subject category, institution, language or source title.