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title = {{Shape evolution of 3-dimensional faceted crystals}},  journal = {{AIChE} J.},  }  @article{Xia_2013,  doi = {10.1073/pnas.1222109110},  url = {http://dx.doi.org/10.1073/pnas.1222109110},  year = {2013},  month = {apr},  publisher = {Proceedings of the National Academy of Sciences},  volume = {110},  number = {17},  pages = {6669--6673},  author = {X. Xia and S. Xie and M. Liu and H.-C. Peng and N. Lu and J. Wang and M. J. Kim and Y. Xia},  title = {{On the role of surface diffusion in determining the shape or morphology of noble-metal nanocrystals}},  journal = {Proceedings of the National Academy of Sciences},  }