1. J. Hopkinson, On the rupture of iron wire by a blow, Proc. Man. Lit. Phil. Soc., Vol. 11, p. 40.
2. The effects of momentary stress in metals;Hopkinson,1905
3. Influence of rate of strain and temperature on yield stresses of mild steel;Manjoine;J. Appl. Mech.,1944
4. An investigation of the mechanical properties of materials at very high rates of loading;Kolsky,1949