Jamali, A., Khan, W., Chandio, A., Anwer, Z., & Jokhio, M. (2019). Effect of Cryogenic Treatment on Mechanical Properties of AISI 4340 and AISI 4140 Steel. Mehran University Research Journal Of Engineering And Technology, 38(3), 755-766. doi:10.22581/muet1982.1903.18