Poleznite izkopaemi ot vremeto na trakite
By: [G.K. Georgiev].
Publisher: Izd-vo na Bŭlgarskata akademii͡a︡ na naukite
Published: 1987
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 133
Subjects: Mines and mineral resources -- Thrace -- History.
Other titles: Ressources de minerais au temps des Thraces.; Metal and non-metalliferrous resources in the time of the Thracians.
Notes: Bibliography: p. 111-115.
Titles on added t.p.: Les ressources de minerais au temps des Thraces; Metal and non-metalliferrous resources in the time of the Thracians.
At head of title: Bŭlgarska akademii͡a︡ na naukite. Institut po trakologii͡a︡.
Summary in English, French, and Russian.