deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index bf751d4..516f3a3 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 = {{Linear response of an interacting electron liquid}},  booktitle = {Quantum Theory of the Electron Liquid},  }  @BOOK{Ashcroft_2003,  title = {{Solid State Physics}},  author = {Neil W. Ashcroft},  publisher = {Thomson Press (India) Ltd},  year = {2003},  month = {12},  isbn = {9788131500521},  url = {http://amazon.com/o/ASIN/8131500527/},  totalpages = {848},  timestamp = {2015.12.22},  }