deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index a36e95e..34adf64 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 = {{Electron Elevator: Excitations across the Band Gap via a Dynamical Gap State}},  journal = {Phys. Rev. Lett.},  }  @article{Tehada_1980,  doi = {10.1016/0029-554x(80)91020-4},  url = {http://dx.doi.org/10.1016/0029-554x(80)91020-4},  year = {1980},  month = {mar},  publisher = {Elsevier {BV}},  volume = {170},  number = {1-3},  pages = {249--251},  author = {J. Tehada and P.M. Echenique and O.H. Crawford and R.H. Ritchie},  title = {{Wake shifts in electron states on swift ions passing through solids}},  journal = {Nuclear Instruments and Methods},  }