deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 467dae8..f30e82a 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
@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]},  } 
...
@article{Markin_2008,  doi = {10.1103/physrevb.78.195122},  url = {http://dx.doi.org/10.1103/physrevb.78.195122}, {http://dx.doi.org/10.1103/PhysRevB.78.195122},  year = {2008},  month = {nov},  publisher = {American Physical Society ({APS})},