deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 2044c75..7d764a6 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Contribution of mineral tunneling to total feldspar weathering}},  journal = {Geoderma},  }  @article{Blum_2002,  doi = {10.1038/nature00793},  url = {http://dx.doi.org/10.1038/nature00793},  year = {2002},  month = {jun},  publisher = {Nature Publishing Group},  volume = {417},  number = {6890},  pages = {729--731},  author = {Joel D. Blum and Andrea Klaue and Carmen A. Nezat and Charles T. Driscoll and Chris E. Johnson and Thomas G. Siccama and Christopher Eagar and Timothy J. Fahey and Gene E. Likens},  title = {{Mycorrhizal weathering of apatite as an important calcium source in base-poor forest ecosystems}},  journal = {Nature},  }