http://books.google.com/books?vid=ISBN3833119160
489
http://books.google.com/books?vid=ISBN83833119160
47
http://citation.dbpedia.org/hash2/047260d9c350ec3dde4bed967b6ad029c5251bc8148f1c0c8eb4bcc0a9e7330f
1
CiteRank
CiteRank - project for automatic evaluation of the sources in Wikipedia articles.