deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 4a8972b..67f82df 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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url = {http://www.srim.org/SRIM/SRIMPICS/STOP01/STOP0129.gif},  title = {{http://www.srim.org/SRIM/SRIMPICS/STOP01/STOP0129.gif}},  }  @article{Eugen_Schwarz_1991,  doi = {10.1002/bbpc.19910951039},  url = {http://dx.doi.org/10.1002/bbpc.19910951039},  year = {1991},  month = {oct},  publisher = {Wiley-Blackwell},  volume = {95},  number = {10},  pages = {1308--1308},  author = {W. H. Eugen Schwarz},  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},  }