Tŭrsene i prouchvane na polezni izkopaemi
By: Valentin Draganov Vladimirov
Edition: Pŭrvo izdanie
Publisher: Universitetsko izdatelstvo "Sv. Kliment Okhridski"
Published: 2014
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 320
ISBN-13: 9789540735856
Subjects: Mines and mineral resources; Textbooks
Notes: Includes bibliographical references (pages 296-301).

In Bulgarian with summary in English.