Spontaneous fracture of coal during borehole drilling as an index of burst hazard of the face zone
1998 ◽
Vol 71
(2)
◽
pp. 237-240
1998 ◽
Vol 71
(1)
◽
pp. 161-165
◽
2015 ◽
Vol 50
(9-10)
◽
pp. 571-578
◽