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| * Hoek, E., and E. T. Brown, 1980, Underground excavations in rock: London, Institution of Mining and Metallurgy, 527 p. | | * Hoek, E., and E. T. Brown, 1980, Underground excavations in rock: London, Institution of Mining and Metallurgy, 527 p. |
| * Teraghi, K., and F. E. Richart, 1952, Stresses in rock about cavities: Geotechnique, vol. 3, no. 2, p. 57–90. | | * Teraghi, K., and F. E. Richart, 1952, Stresses in rock about cavities: Geotechnique, vol. 3, no. 2, p. 57–90. |
− | | + | * Herget, G., 1988, Stresses in rock: Rotterdam, Balkema, 177 p. |
− | Herget, G., 1988, Stresses in rock., Rotterdam: Balkema
| + | * Harrison, J. P., and J. A. Hudson, 2000, Engineering rock mechanics – Part 2: Illustrative worked examples: Oxford, U.K., Elsevier Science, 524 p. |
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− | Harrison, JP & Hudson, JA, 2000, Engineering rock mechanics – Part 2: Illustrative Worked Examples. Elsevier Science: Oxford.
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| Hudson, J., & Harrison, J.,1997, Engineering rock mechanics an introduction to the principles. | | Hudson, J., & Harrison, J.,1997, Engineering rock mechanics an introduction to the principles. |