| Publications - Robert Hack |
The use of rock mass classification systems in assessing the long term stability of underground openings.
H.R.G.K. Hack and R.F. Bekendam1
Original article published in: Proc. ICUSESS '92: 5th Int. Conference on Underground Space and Earth Sheltered. Structures. August 2--7, 1992. Balkema, Rotterdam. pp. 811-817. (article & presentation)
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