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title = {{Umbrella sampling}},  journal = {{WIREs} Comput Mol Sci},  }  @article{Ka_stner_2005,  doi = {10.1063/1.2052648},  url = {http://dx.doi.org/10.1063/1.2052648},  year = {2005},  publisher = {{AIP} Publishing},  volume = {123},  number = {14},  pages = {144104},  author = {Johannes Kästner and Walter Thiel},  title = {{Bridging the gap between thermodynamic integration and umbrella sampling provides a novel analysis method: {\textquotedblleft}Umbrella integration{\textquotedblright}}},  journal = {J. Chem. Phys.},  }