Priroda pod zakrila
Subtitle: nat︠s︡ionalnite i prirodnite parkove i rezervatite v Bŭlgarii︠a︡
By: Georgi Georgiev
Edition: 1. izd
Publisher: Gei︠a︡ Libris
Published: 2010
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 287
ISBN-13: 9789543000982
Notes: Includes bibliographical references (p. 262-265) and index.

In Bulgrian with summary in English.