Roof displacement in working thick steeply dipping seams in the Kuzbass to the rise with stowing of the worked-out area

Autor: Posokhov, G., Tereshkin, A., Sevost'yanov, V.
Zdroj: Journal of Mining Science; March 1976, Vol. 12 Issue: 2 p129-133, 5p
Abstrakt: Without Abstract:
Databáze: Supplemental Index