Title: "The Helm Dictionary of Scientific Bird Names"

http://books.google.com/books?vid=ISBN978-1-4081-2501-4

500

http://books.google.com/books?vid=ISBN1-4081-2501-3

http://books.google.com/books?vid=ISBN9781408125014

CiteRank

CiteRank - project for automatic evaluation of the sources in Wikipedia articles.