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title = {{Modified Ehrenfest Formalism for Efficient Large-Scale ab initio Molecular Dynamics}},  journal = {J. Chem. Theory Comput.},  }  @article{Perdew_1992,  doi = {10.1103/physrevb.45.13244},  url = {http://dx.doi.org/10.1103/PhysRevB.45.13244},  year = {1992},  month = {jun},  publisher = {American Physical Society ({APS})},  volume = {45},  number = {23},  pages = {13244--13249},  author = {John P. Perdew and Yue Wang},  title = {{Accurate and simple analytic representation of the electron-gas correlation energy}},  journal = {Physical Review B},  }