A geo-engineering classification for rocks and rock masses
2004 ◽
Vol 41
(1)
◽
pp. 89-101
◽
1974 ◽
Vol 11
(12)
◽
pp. 244
◽
2004 ◽
Vol 15
(1)
◽
pp. 139-162
1974 ◽
Vol 6
(4)
◽
pp. 189-236
◽
1975 ◽
Vol 12
(5-6)
◽
pp. 77
1985 ◽
Vol 22
(3)
◽
pp. A81
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