1. F. J. Gurney and A. T. Male, “The Relationship of Microstructure and Mechanical Properties of Extruded Titanium Alloy Bars to the Prior Deformation Processing History”, AFML-TR-71–28, April 1971.
2. Attwell M. Adair and James A. Roberson, “The Influence of Processing Variables on the Structure and Properties of Extruded Beta III Titanium”, AFML-TR-70–277, March 1971.
3. I. Perlmutter, V. De Pierre and C. M. Pierce, “Lubrication as a Parameter in the Extrusion of Metals”, ASME Symposium on Friction and Lubrication in Metal Processing June 1966, p 147.