between Edge dislocation and Screw dislocation in detail; Scanning Tunneling Microscope – Gallery Image gallery, including a dislocations page, seen at the atomic level of metal surfaces, by the surface physics group at the Faculty of Physics, Vienna University of Technology, Austria. Volterra, V., "On the equilibrium of multiply-connected bodies," trans. by D. H. Delphenich Somigliana, C., "On the theory of elastic distortions," transl. by D. H. Delphenich Crystallographic defects Mineralogy concepts