Other journal titles and books are included in the archival coverage of this database.
Each year, at least 100,000 additional citations and abstracts are added, and it is updated every two weeks.
[1][2] Other types of publications indexed in this database are magazine articles, product reviews, directories and all related materials.
International literature coverage pertains to Non-English language papers, and lesser available books, conference proceedings and reports.
[1][2][3] Subject coverage also includes cartography, hydrology, climatology, meteorology, energy, paleontology, environment, petrology, geochemistry, photogrammetry, geomorphology, sedimentology, geophysics, and volcanology.