Reza Vaezi, Mohammad, Ghassemi, Seyed Hesam Mir Shah, Shokuhfar, Ali. Effect of different sizes of balls on crystalline size, strain, and atomic diffusion on Cu-Fe nanocrystals produced by mechanical alloying. Journal of Theoretical and Applied Physics. 2012;0(1):0-0. doi:10.1186/2251-7235-6-29