http://books.google.com/books?vid=ISBN0952415100
806
http://citation.dbpedia.org/hash2/fae6fda5d95380c472cf9d57f7a7421d8499f25a1426b1a101e3498c8d0f01f8
14
http://books.google.com/books?vid=ISBN1859831001
1
CiteRank - project for automatic evaluation of the sources in Wikipedia articles.