Effects of time between exposure and support on mine roof...

Effects of time between exposure and support on mine roof stability, bear coal mine, somerset, colo : Radcliffe, D E; Stateham, R M USBM RI 8298, 1978, 13P

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Volume:
16
Year:
1979
Language:
english
DOI:
10.1016/0148-9062(79)91616-4
File:
PDF, 112 KB
english, 1979
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