deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 109b7a0..2b2b066 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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author = {Martins, Cristiane Cavalcante Albuquerque and Morete, Maria Emilia and Coitinho, M{\'a}rcia Helena Engel and Freitas, Ana Cristina and Secchi, Eduardo Resende and Kinas, Paul Gerhard},  year = {2001},  }  @incollection{Zuur_2009,  doi = {10.1007/978-0-387-87458-6_5},  url = {http://dx.doi.org/10.1007/978-0-387-87458-6_5},  year = {2009},  publisher = {Springer Science $\mathplus$ Business Media},  pages = {101--142},  author = {Alain F. Zuur and Elena N. Ieno and Neil J. Walker and Anatoly A. Saveliev and Graham M. Smith},  title = {{Mixed Effects Modelling for Nested Data}},  booktitle = {Statistics for Biology and Health},  }