por Glade, Thomas [editor] | Anderson, Malcolm [editor] | Crozier, Michael J [editor].
por Clague, J. J. (John Joseph), 1946- [editor] | Stead, D. (Doug) [editor].
por Sassa, Kyoji [colaborador].
por International Conference on Slope Stability (1991 : Isle of Wight, Inglaterra) | Chandler, Richard John [editor] | Insitution of Civil Engineers (Gran Bretana).