deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 86b0bb7..921f403 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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document_type = {Article},  source = {Scopus},  }  @article{Guisan_1999,  doi = {10.1023/a:1009841519580},  url = {http://dx.doi.org/10.1023/A:1009841519580},  year = {1999},  publisher = {Springer Science $\mathplus$ Business Media},  volume = {143},  number = {1},  pages = {107--122},  author = {Antoine Guisan and Stuart B. Weiss and Andrew D. Weiss},  journal = {Plant Ecology},  }