Academic Search Premier: This multi-disciplinary database provides full text for more than 4,600 journals, including full text for nearly 3,900 peer-reviewed titles. PDF backfiles to 1975 or further are available for well over one hundred journals, and searchable cited references are provided for more than 1,000 titles.
Environment Complete: Environment Complete offers coverage in agriculture, ecosystem ecology, energy, renewable energy sources, natural resources, marine & freshwater science, geography, pollution & waste management, environmental technology, environmental law, public policy, social impacts, urban planning, and more.
GeoRef: Geology and earth sciences U.S. geology 1785– ; international geology 1933–
Web of Science (Science Citation Index): Allows searching the journal literature in all branches of the sciences not only by subject or author, but also by cited author or article. 1955-
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