deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 0155444..d2dc98c 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {1996},  }  @book{Donovan1999How-People-Learn,  editors = {M. Suzanne Donovan and John D. Bransford and James V. Pellegrino},  title = {How People Learn: Bridging Research and Practice},  year = {1999},  publisher = {National Academy of Sciences Press}  }  @article{Birge1935On-the-Establis-2,  author = {Birge, Raymond T.},