deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index c38fcaf..85b9a6c 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Organic anion exudation by ectomycorrhizal fungi and Pinus sylvestris in response to nutrient deficiencies}},  journal = {New Phytologist},  }  @article{Quirk_2012,  doi = {10.1098/rsbl.2012.0503},  url = {http://dx.doi.org/10.1098/rsbl.2012.0503},  year = {2012},  month = {aug},  publisher = {The Royal Society},  volume = {8},  number = {6},  pages = {1006--1011},  author = {J. Quirk and D. J. Beerling and S. A. Banwart and G. Kakonyi and M. E. Romero-Gonzalez and J. R. Leake},  title = {{Evolution of trees and mycorrhizal fungi intensifies silicate mineral weathering}},  journal = {Biology Letters},  }