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Highly cited journals in the sciences and engineering. Find who cited who from 1955-present

Similar to Web of Science for citation searching. Find who cited who from 1996-present. Covers more publications than Web of Science.

Environment Complete offers deep coverage in applicable areas of 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. Environment Complete indexes more than 1,700 domestic and international titles (including full text for more than 680 journals) as well as more than 120 monographs.

Full text of Elsevier journals, the largest publisher of science and technology journals

Good for topics of air/water/soil quality. From American Geological Institute

Multidisciplinary database that includes peer reviewed journals, magazines, newspapers

Premier database for chemistry. Search by topic and by substance. Do a structure search!

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Originally combined data from the Handbook of Organic Chemistry, the Gmelin Handbook of Inorganic and Organometallic Chemistry, and the Patent Chemistry Database and is now updated directly from the source literature.