Ekonomika ugol'noĭ promyshlennosti
By: A.P. Stepanov, V.V. Nezhentsev, V.B. Sivyĭ.
Contributors: Nezhentsev, Vadim Vasil'evich.; Sivyĭ, Vladimir Borisovich.
Publisher: Tekhnika
Published: 1974
Place of publication: Kiev
Language: rus