Ugol' v narodnom khozyaistve
By: I.A. Ul'yanov, P.I. Grebenshchikov, A.G. Malyshev.
Contributors: Grebenshchikov, P. I.; Malyshev, A. G.
Series: Ekonomiya topliva i elektroenergii
Publisher: Nedra
Published: 1982
Place of publication: Moskva
Language: rus