1. 1. Tareg S. Ben Naser, György Krallics, ―Mechanical Behavior of Multiple-forged Al 7075 Aluminum Alloy‖, Acta Polytechnica Hungarica, Vol. 11, pp.No. 7, 2014.
   2. George E. Totten, D. ScottMacKenzie ―Handbook of aluminum Physical Metallurgy and Processes‖, Vol. 1, pp185.2003.
   3. L. Dubar a,, J.P. Bricout , C. Wierreb, P. Meignanb,‖ New surface processes for cold forging of steels‖, Surface and Coatings Technology 102, 159–167, 1998
   4. Jun Yanagimoto, Sumio Sugiyama, Akira Yanagida, Nobuhiro Iwamura, Motoi Ishizuka. ―Control of ultrafine microstructure by single-pass heavy deformation and cold forging of metal‖,journal of materials processing technology, pp.679–685, 2009.
   5. Hae Yong Choa,*, Gyu Sik Minb, Chang Yong Joc, Myung Han Kimd ,‖Process design of the cold forging of a billet by forward and backward extrusion‖ Journal of Materials Processing Technology, 135, 375–381, 2003.
   6. Paul G. Fernandes, Pete Stevenson, Andrew S. Brierley, Frederick Armstrong, and E. John Simmonds.‖Autonomous underwater vehicles: future platforms for fisheries acoustics‖, ICES Journal of Marine Science, vol60, 684–691,2003.
   7. Brian David Rutkay. ―A Process for the Design and Manufacture of Propellers for Small Unmanned Aerial Vehicles- thesis‖, 2014.
   8. Ono S, Saito M, Matsuo S. ―Microstructure and mechanical properties of 18 mass% chromium cast stainless steel for marine propeller‖ J. Jap. Inst. Metallurgy, 57(7), 761-766, 1990
   9. Ganesh D, Jain M, Singh PP, Radhakrishnan KK, Bhattacharya B. ―Pressure casting of composites propellant‖ Ind. J. Chem. Technol., 15(4), 420-423,2008.
   10. Young HT, Chuang, LC, Gerschwiler, K, Kamps S,‖ A five-axis rough machining approach for a centrifugal impeller‖ Inter. J. Adv. Manuf. Technol., 23: 233-239,2004.