https://www.scirp.org/reference/ReferencesPapers?ReferenceID=2157794
Segal, V.M. (1999) Equal Channel Angular Extrusion From Macromechanics to Structure Formation....
Segal, V.M. (1999) Equal Channel Angular Extrusion From Macromechanics to Structure Formation. Materials Science and Engineering A, 271, 322-333.