Problemi na tŭrseneto i prouchvaneto na polezni izkopaemi v NRB
By: [nauchen redaktor inzh. Luka Ĭot͡s︡ov].
Contributors: Ĭot͡s︡ov, Luka.
Edition: 1. izd.
Series: Trudove na Nauchnoizsledovatelski institut po polezni izkopaemi ;; kn. 1; Trudove na NIPI ;; kn. 1.
Publisher: Dŭrzh. izd-vo "Tekhnika"
Published: 1984
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 314
Subjects: Mines and mineral resources -- Bulgaria -- Congresses.
Notes: Includes bibliographical references.
Series numbering on cover: knizhka 4.
Summaries in English.