Publication coverage: Updated quarterly
Publication coverage: 1947 - presentCitations and full text from ACM journals, newsletters and conference proceedings.
Publication coverage: 1979 - present (updated frequently)A reference database for the international minerals industry run by the Institute of Materials, Minerals and Mining Online.
Publication coverage: Varies by publication.GeoScienceWorld (GSW) is a full-text resource for research and communications in the earth sciences, which is built on a core database of 46 peer-reviewed journals and is integrated with the GeoRef index.
Publication coverage: Varies by publicationThe SEG Digital Library provides a single access point and interface consistency for the Society of Exploration Geophysicists' two journals, its meeting abstracts, and its best-selling encyclopedic dictionary. Coverage includes a complete archive all technical articles published in GEOPHYSICS, THE LEADING EDGE, and the SEG Technical Program Expanded Abstracts.
Publication coverage: 1962 - present
Publication coverage: Colonial times - present
Publication coverage: 1500 to 1950