deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index aa4005b..d32fe5d 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{``Elastic scattering,'' in \textit{Springer Handbook of Atomic, Molecular, and Optical Physics}, edited by G. W. F. Drake (Springer-Verlag)}},  year = {2006},  isbn = {978-0-387-20802-2},  url = {{{{{http://www.springer.com/us/book/9780387208022}}}}}}, {{{{{{http://www.springer.com/us/book/9780387208022}}}}}}},  } 
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title = {{New features of the Franck-Hertz experiment}},  journal = {Am. J. Phys.},  }  @misc{1,  doi = {10.4053/hi401-100525},  url = {http://dx.doi.org/10.4053/hi401-100525},  publisher = {National Nanomanufacturing Network},  title = {{{NIST} 2010 {TIP} Competition}},  }