Stability of workface using long-wall mining method in extremely thin and gently inclined iron mine

Autor:	Song, Weidong, Xu, Wenbin, Du, Jianhua, Wan, Haiwen
Zdroj:	In Safety Science April 2012 50(4):624-628
Databáze:	ScienceDirect
Externí odkaz:	Zobrazit plný text záznamu Full Text from ScienceDirect