Google Scholar

Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites. Google Scholar helps you find relevant work across the world of scholarly research.

Features of Google Scholar

Search diverse sources from one convenient place
Find articles, theses, books, abstracts or court opinions
Locate the complete document through your library or on the web
Learn about key scholarly literature in any area of research

SOURCE:http://scholar.google.co.in/