Butenuth, C. (2001). Strength and weathering of rock as boundary layer problems. Imperial College Press.
Chicago-referens (17:e uppl.)Butenuth, Christine. Strength and Weathering of Rock as Boundary Layer Problems. London: Imperial College Press, 2001.
MLA-referens (9:e uppl.)Butenuth, Christine. Strength and Weathering of Rock as Boundary Layer Problems. Imperial College Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.