International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts
1981 Vol. 18; Iss. 1
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Development of a mechanical roof breaker for ground control in longwall operations under massive roof : USBM RI 8416, 1980, 80P
S. TandanandVolume:
18
Year:
1981
Language:
english
DOI:
10.1016/0148-9062(81)90382-x
File:
PDF, 127 KB
english, 1981