http://books.google.com/books?vid=ISBN83-89648-09-1
1254
http://books.google.com/books?vid=ISBN8389648091
1
http://citation.dbpedia.org/hash/72a1db21e73c8406733b72b57977943d0af2fc11736cea9028d7ef14873a55b2
1
CiteRank - project for automatic evaluation of the sources in Wikipedia articles.