Russia Geologicheskiĭ komitet

• Geolgicheskii︠a︡ izsli︠e︡dovanii︠a︡ v Zolotonosnykh Oblasti︠a︡kh Sibiri: Explorations ...
• Geologicheskīi͡a izsli͡edovanīi͡a v zolotonosnykh oblasti͡akh Sibiri