deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 500d146..a149910 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Self-similar solutions for the interaction of stellar ejecta with an external medium}},  journal = {{ApJ}},  }  @article{Chevalier_1989,  doi = {10.1086/167802},  url = {http://dx.doi.org/10.1086/167802},  year = {1989},  month = {sep},  publisher = {{IOP} Publishing},  volume = {344},  pages = {332},  author = {Roger A. Chevalier and Edison P. Liang},  title = {{The interaction of supernovae with circumstellar bubbles}},  journal = {{ApJ}},  }