deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 67f82df..fba99b1 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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@misc{Ziegler_2011_PIC,  author = {James F. Ziegler and M.D. Ziegler and J.P. Biersack},  title = {{Hydrogen in Copper}},  howpublished = {{{{{{http://www.srim.org/SRIM/SRIMPICS/STOP01/STOP0129.gif}}}}}}}, {{{{{{{http://www.srim.org/SRIM/SRIMPICS/STOP01/STOP0129.gif}}}}}}}},  year = {2011},  note = {[Online; accessed 21-Aug-2015]},  } 
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title = {{Richard F. Bader: Atoms in Molecules (A Quantum Theory) Clarendon Press 1990 Oxford. {ISBN} 019-855-1681, 438 pages, Preis: {\textsterling}50.-}},  journal = {Berichte der Bunsengesellschaft für physikalische Chemie},  }  @article{Tang_2009,  doi = {10.1088/0953-8984/21/8/084204},  url = {http://dx.doi.org/10.1088/0953-8984/21/8/084204},  year = {2009},  month = {jan},  publisher = {{IOP} Publishing},  volume = {21},  number = {8},  pages = {084204},  author = {W Tang and E Sanville and G Henkelman},  title = {{A grid-based Bader analysis algorithm without lattice bias}},  journal = {Journal of Physics: Condensed Matter},  }