Coal itself isn't outdated, but the ways of using it are /
Shchadov, Mikhail Ivanovich,1927-
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
[Moscow] : Novosti Press Agency Pub. House,
[c1986]
Translated from the Russian.
Cover title.
Title in colophon: Ustarel ne ugolʹ, a sposoby ego ispolʹzovanii︠a︡.
John and Ljubica Erickson collection.
Coal mines and mining