deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 6acf903..98e70ff 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Bird Census Techniques}},  year = {1992}  }  @article{dorazio_&_Royle_2005, @article{Dorazio_&_Royle_2005,  author = {Dorazio, Robert M and Royle, J Andrew},  journal = {Journal of the American Statistical Association},  number = {470},