deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 2ed916a..6658af4 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{A Simple Model of Spectral-Line Profiles from Contracting Clouds}},  journal = {The Astrophysical Journal},  }  @article{Williams_1999,  doi = {10.1086/306657},  url = {http://dx.doi.org/10.1086/306657},  year = {1999},  month = {jan},  publisher = {{IOP} Publishing},  volume = {511},  number = {1},  pages = {208--217},  author = {Jonathan P. Williams and Philip C. Myers},  title = {{A Survey for Inward Motions in the Dense Gas around Young Stellar Clusters}},  journal = {{ApJ}},  }