deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 1c39e8c..966cc0e 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{About the p-mode frequency shifts in {HD}~49933}},  journal = {Astronomy {\&} Astrophysics},  }  @article{Broomhall_2011,  doi = {10.1111/j.1365-2966.2011.20123.x},  url = {http://dx.doi.org/10.1111/j.1365-2966.2011.20123.x},  year = {2011},  month = {dec},  publisher = {Oxford University Press ({OUP})},  volume = {420},  number = {2},  pages = {1405--1414},  author = {A.-M. Broomhall and W. J. Chaplin and Y. Elsworth and R. Simoniello},  title = {{Quasi-biennial variations in helioseismic frequencies: can the source of the variation be localized?}},  journal = {Monthly Notices of the Royal Astronomical Society},  }