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Measuring Scholarly Research Impact: Citation Data Sources

This guide talks about tools on assessing the impact of scholarly research, with explanations of terminology.

Citation Databases

Google Scholar

Google Scholar

Google's search engine for scholarly research.  It indexes citations, abstracts, and full-text articles, books, conference proceedings, theses, online repositories, patents, legal cases, and more. Google Scholar is particularly used as a 'covering the base' approach when starting research and canvassing the literature or as a final search on a topic.

Google Scholar Content Coverage
Google Scholar Quick Guide (by University of Alaska library)

Subject Field Specifics

There are bibliographic data sources by subject fields:

ADS maintains three bibliographic collections with more than 15 million records covering publications in astronomy and astrophysics, physics, and general science.