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Autor:
Budi Sulistianto, Hiroshi Takamoto, Kikuo Matsui, Hideki Shimada, Takashi Sasaoka, S. Kramadibrata, Nay Zar Lin
Publikováno v:
International Journal of Mining, Reclamation and Environment. 28:150-172
The application of a rock bolting system for Indonesian underground coal mines has been attempted for several years without any success. Recently, two new underground mining trials were conducted in East Kalimantan, Indonesia, in order to investigate
Autor:
Takashi Sasaoka, Kikuo Matsui, Akihiro Hamanaka, Budi Sulistianto, Hideki Shimada, Nay Zar Lin
Publikováno v:
Journal of Geological Resource and Engineering. 4