Citation Retrieval

• Web of Science
  Web of Science incorporates 3 databases:
  • Science Citation Index Expanded, which covers 6.500 journals, from 1970 till today. Subjects include applied, health and natural sciences.
  • Social Sciences Citation Index, which covers 1.950 journals from 1970 till today.Subjects include social sciences.
  • Arts & Humanities Citation Index, which covers 1.160 journals, from 1975 till today. Subjects include Humanities and Arts.

• Scopus
  A bibliographic and Citation Service by Elsevier that retrieves information from 15.000 journals (subcription and open-access), conference papers and books.

• Google Scholar
  Provides a search of scholarly literature across many disciplines and sources, including theses, books, abstracts and articles.