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title = {{Quantitative Analysis of the Role Played by Poly(vinylpyrrolidone) in Seed-Mediated Growth of Ag Nanocrystals}},  journal = {J. Am. Chem. Soc.},  }  @article{K_stner_2011,  doi = {10.1002/wcms.66},  url = {http://dx.doi.org/10.1002/wcms.66},  year = {2011},  month = {may},  publisher = {Wiley-Blackwell},  volume = {1},  number = {6},  pages = {932--942},  author = {Johannes Kästner},  title = {{Umbrella sampling}},  journal = {{WIREs} Comput Mol Sci},  }