deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 5cc6850..bb0314e 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {119-26},  pubmed_id = {14749908},  }  @article{pierson2007microbial,  title = {{Microbial contamination of spacecraft}},  author = {Pierson, Duane L},  journal = {Gravitational and Space Research},  volume = {14},  number = {2},  year = {2007},  }