A Date

Countries

This corpus build does not record which country the citing authors are in, so the country breakdown is not computed. The other breakdowns below are unaffected.

Institutions

• United States Geological Survey48.1%
• Geology, Geophysics, and Geochemistry Science Center9.6%
• DSM (Switzerland)7.7%
• Denver Federal Center5.8%
• Spaulding Clinical Research (United States)5.8%
• University of Kentucky3.8%
• Other19.2%

Fields

• Medicine37.5%
• Earth and Planetary Sciences25%
• Environmental Science25%
• Computer Science12.5%

Topics

• Skin Protection and Aging15%
• Geochemistry and Geologic Mapping15%
• Radioactivity and Radon Measurements10%
• Thermochemical Biomass Conversion Processes5%
• Heavy metals in environment5%
• Vitamin D Research Studies5%
• Other45%