Butenuth, C. (2001). Strength and weathering of rock as boundary layer problems. Imperial College Press.
Lua i Stíl Chicago (17ú heag.)Butenuth, Christine. Strength and Weathering of Rock as Boundary Layer Problems. London: Imperial College Press, 2001.
Lua MLA (9ú heag.)Butenuth, Christine. Strength and Weathering of Rock as Boundary Layer Problems. Imperial College Press, 2001.
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