@article{Megumi Kawasaki2019MF201915, title={The Contribution of Severe Plastic Deformation to Research on Superplasticity}, author={Megumi Kawasaki and Terence G. Langdon}, journal={MATERIALS TRANSACTIONS}, volume={60}, number={7}, pages={1123-1130}, year={2019}, doi={10.2320/matertrans.MF201915} }