deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index f6aec01..cc71d03 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {2015},  publisher = {Elsevier},  }  @inproceedings{masselli2012real,  title = {{Real time face detection using geometric constraints, navigation and depth-based skin segmentation on mobile robots}},  author = {Masselli, Andreas and Zell, Andreas},  booktitle = {Robotic and Sensors Environments (ROSE), 2012 IEEE International Symposium on},  pages = {180--185},  year = {2012},  organization = {IEEE},  }