deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 238c2a8..d581df6 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Pedestrian Detection and Tracking for Counting Applications in Crowded Situations}},  booktitle = {2006 {IEEE} International Conference on Video and Signal Based Surveillance},  }  @incollection{Ali_2009,  doi = {10.1007/978-3-642-04697-1_50},  url = {http://dx.doi.org/10.1007/978-3-642-04697-1_50},  year = {2009},  publisher = {Springer Science $\mathplus$ Business Media},  pages = {540--549},  author = {Irshad Ali and Matthew N. Dailey},  title = {{Multiple Human Tracking in High-Density Crowds}},  booktitle = {Advanced Concepts for Intelligent Vision Systems},  }