deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index c30b238..6e0adab 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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@article{Layton_2010,  author = {R. A. Layton and M. L. Loughry and M. W. Ohland and G. D. Ricco},  year = {2010},  title = {Design {{Design  and validation of a web-based system for assigning members to teams using instructor-specified criteria}, criteria}},  journal = {Advances in Engineering Education}, volume = {2},  number = {1},  pages = {1--28} {1--28},  } 
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year = {1998},  publisher = {American Association of Physics Teachers},  }  @article{Prince_2004,  doi = {10.1002/j.2168-9830.2004.tb00809.x},  url = {http://dx.doi.org/10.1002/j.2168-9830.2004.tb00809.x},  year = {2004},  month = {jul},  publisher = {Wiley-Blackwell},  volume = {93},  number = {3},  pages = {223--231},  author = {Michael Prince},  title = {{Does Active Learning Work? A Review of the Research}},  journal = {Journal of Engineering Education},  }