Title: "Przewodnik do oznaczania zbiorowisk roślinnych Polski"

http://books.google.com/books?vid=ISBN8301144394

692

http://citation.dbpedia.org/hash2/d657523a07256911aad3c09161083acf6c23f841ed7dd0f87cc116ad61ab5e93

157

http://books.google.com/books?vid=ISBN9788301144395

http://books.google.com/books?vid=ISBN8301135204

http://books.google.com/books?vid=ISBN8301052864

http://books.google.com/books?vid=ISBN83011444394

http://books.google.com/books?vid=ISBN8301135201

CiteRank

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