deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 825a233..1189862 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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Url = {http://link.springer.com/chapter/10.1007/978-3-540-78197-4\_5},  Year = {2008},  Bdsk-Url-1 = {http://link.springer.com/chapter/10.1007/978-3-540-78197-4%5C_5}}  @article{bereiter1997situated,  title={Situated cognition and how to overcome it},  author={Bereiter, Carl},  journal={Situated cognition: Social, semiotic, and psychological perspectives},  pages={281--300},  year={1997}  }