Google Scholar
database of scholarly literature
includes articles, theses, books, abstracts, and court opinions
it is free and can be searched like Google
in an academic setting, Google Scholar links to your library to access full text
great resource for court documents
can sign up for alerts
if you are an author, you can be notified when your work is cited
Google scholar accepts questions and comments
Google Metrics shows the top articles in different disciplines
click the down arrow on the right of the search box to use the advanced Google Scholar Search