http://books.google.com/books?vid=ISBN0951486233
534
http://citation.dbpedia.org/hash2/899750d29a60b7449311b90b47890c0722951dde430fa78885ca5930aac5191a
40
http://books.google.com/books?vid=ISBN9780951486238
1
CiteRank - project for automatic evaluation of the sources in Wikipedia articles.