Title: Vestnik XXI : gorno-metallurgicheskai︠a︡ sekt︠s︡ii︠a︡ : Rossiĭskai︠a︡ akademii︠a︡ estestvennykh nauk, 15 let RAEN : razvedka, dobycha, pererabotka poleznykh iskopaemykh : sbornik stateĭ
Subjects: Metallurgy, Mining engineering