deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 5ee96a3..4a58a3f 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Static network structure can stabilize human cooperation}},  journal = {Proceedings of the National Academy of Sciences},  }  @article{Kirchkamp_2007,  doi = {10.1016/j.geb.2006.04.002},  url = {http://dx.doi.org/10.1016/j.geb.2006.04.002},  year = {2007},  month = {feb},  publisher = {Elsevier {BV}},  volume = {58},  number = {2},  pages = {269--292},  author = {Oliver Kirchkamp and Rosemarie Nagel},  title = {{Naive learning and cooperation in network experiments}},  journal = {Games and Economic Behavior},  }