1. Myrick, J., WO Patent 01/45906 A2, 2001.
2. Opportunities for Low Cost Titanium in Reduced Fuel Consumption, Improved Emissions, and Enhanced Durability Heavy-Duty Vehicles, EHKTechnologies, Oak Ridge Nat. Lab. Rept. July 2002, http://www.ornl.gov/:_webworks/cppr/y2002/rpt/114484.pdf
3. Parfenov, O.G., Pashkov, G.L., and Zakirov, R.A., Khim. Tekhnol., 2007, no. 8, pp. 361–365 [Theor. Found. Chem. Eng., 2008, vol. 42, no. 5, pp. 684–687].
4. Parfenov, O.G. and Pashkov, G.L., Problemy sovremennoi metallurgii titana (Problems of Modern Titanium Metallurgy), Novosibirsk: Sib. Otd. Ross. Akad. Nauk, 2008.
5. Haidar, J., Gnanarajan, S., and Dunlop, J.B., AU Patent 2007/000385, 2007, WO/2007/109847.