"Chernoe zoloto" Kamy
Subtitle: "Kama-neftʹ": sobytii︠a︡, li︠u︡di, kommentarii
By: Mikhail Kalinin.
Publisher: Vremi︠a︡ detskoe
Published: 2003
Place of publication: Permʹ
Language: rus
Number of pages: 142