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Academic Search CompleteA multi-disciplinary database which indexes and abstracts periodicals, peer-reviewed journals, books, and other publications and provides thousands of full-text articles.
Web of ScienceArticles in high-impact science, social science, engineering, arts and humanities. 1900 - present.
Agricultural & Environmental ScienceFind journal & conference articles, reports, books & government publications with comprehensive coverage of environmental & pollution issues. 1981- Present