1. MIT Report (Air Force Contract;M.C. Shaw,1954
2. N.H. Cook: Proc. Symp. on Machining and Grinding of Titanium, Watertown Arsenal, Watertown, MA, 1953.
3. L.V. Colwell and W.C. Truckenmiller: ASME Mech. Eng., 1954, June, p. 461.
4. Final Report U.S. Army Contract;O.W. Boston,1955
5. M.E. Merchant: Fundamental Facts in Machining Titanium, Proc. Symp. on Machining and Grinding of Titanium, Watertown Arsenal, Watertown, MA, Oct., 1952.