ehtiaj be rahnamaee daram

salam dooste aziz
khaste nabashin.
2nbale ye matlabi boodam natoonestam giresh biaram mamnoon misham komamam konin
adrese daghighesh ine:

G.R. Johnson, W.H. Cook, A constitutive model and data for metals subjected to large strains, high strain rates and high temperatures, in: Proceedings of the Seventh International Symposium on Ballistics, Hague, The Netherlands, 1983, pp. 541–547

az maraje ye maghalas motmaen nistam maghalas
be komaketoon niaz daram
kheyli kheyli mamnoon.