Strain hardening and jump-like deformation of ultra-fine grained polycrystals of Al–Li solid solution at temperature 0.5 K - N. V. Isaev; S. E. Shumilin; P. A. Zabrodin; V. G. Gejdarov; T. V. Grigorova; V. S. Fomenko; I. S. Braude; V. V. Pustovalov (Low Temperature Physics, 2013)