30 godini MOK "Khristo Mikhaĭlov"
By: [materialite na broshurata sa sŭbrani i obraboteni ot grupa v sŭstav M. Ki͡u︡tinski ... et al.].
Contributors: Ki͡u︡tinski, M.
Publisher: Izdava MOK "Khr. Mikhaĭlov"--Chiprovt͡s︡i
Published: 1981
Place of publication: [Chiprovt͡s︡i]
Language: bul
Number of pages: 80
Subjects: MOK Khristo Mikhaĭlov" (Firm) -- History.; Mineral industries -- Bulgaria -- Chiprovt͡s︡i Region -- History.
Other titles: Trideset godini MOK "Khristo Mikhaĭlov."
Notes: "Avgust 1981 g."