deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 655000e..ebc6cb9 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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journal = {Journal of Physics D: Applied Physics},  }  @article{Lindhard_Scharff_Schiott,  year = {1963},  volume = {33}, 
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author = {J. Lindhard, M. Scharff and E. M. Schi{\varnothing}tt},  journal = {Kgl. Danske Videnskab. Mat. Fys. Medd.},  }  @incollection{Kaminsky_1965,  doi = {10.1007/978-3-642-46025-8_10},  url = {http://dx.doi.org/10.1007/978-3-642-46025-8_10},  year = {1965},  publisher = {Springer Science $\mathplus$ Business Media},  pages = {142--237},  author = {Manfred Kaminsky},  title = {{Sputtering of Metal Surfaces by Ion Bombardment}},  booktitle = {Atomic and Ionic Impact Phenomena on Metal Surfaces},  }