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Haftani, M., Chehreh, H.A., Mehinrad, A. et al. Practical Investigations on Use of Weighted Joint Density to Decrease the Limitations of RQD Measurements. Rock Mech Rock Eng 49, 1551–1558 (2016). https://doi.org/10.1007/s00603-015-0788-9
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DOI: https://doi.org/10.1007/s00603-015-0788-9