deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index a5685c2..b0a16d5 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Pedestrian preferences with respect to roundabouts$\textemdash$A video-based stated preference survey}},  journal = {Accident Analysis \& Prevention},  }  @techreport{Stone_2002,  author = {Stone, John R. and Chae, KoSok and Pillalamarri, Sirisha},  title = {{The Effects of Roundabouts on Pedestrian Safety}},  institution = {North Carolina State University},  month = {August 2002},  year = {2002},  pages = {42},  }