@inproceedings{zhao_lia_topping_liao_zhu_valiev_lavernia_2009, title={Ductility of ultrafine-grained copper processed by equal-channel angular pressing}, volume={100}, number={12}, booktitle={International Journal of Materials Research}, author={Zhao, Y. H. and Lia, Y. and Topping, T. D. and Liao, X. Z. and Zhu, Y. D. and Valiev, R. Z. and Lavernia, E. J.}, year={2009}, pages={1647–1652} }