Web
Images
Videos
Maps
News
Shopping
Gmail
more
▼
Translate
Books
Finance
Scholar
Blogs
YouTube
Calendar
Photos
Documents
Reader
Sites
Groups
even more »
My Citations
|
Scholar Preferences
|
Sign in
Advanced Scholar Search
Articles
(
include patents
)
Legal opinions and journals
Stand on the shoulders of giants
Go to Google Home
-
About Google
-
About Google Scholar
©2011 Google