deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 48b9b75..ec4e17a 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{New constraints on Northern Hemisphere growing season net flux}},  journal = {Geophys. Res. Lett.},  }  @article{Stephens_2007,  doi = {10.1126/science.1137004},  url = {http://dx.doi.org/10.1126/science.1137004},  year = {2007},  month = {jun},  publisher = {American Association for the Advancement of Science ({AAAS})},  volume = {316},  number = {5832},  pages = {1732--1735},  author = {B. B. Stephens and K. R. Gurney and P. P. Tans and C. Sweeney and W. Peters and L. Bruhwiler and P. Ciais and M. Ramonet and P. Bousquet and T. Nakazawa and S. Aoki and T. Machida and G. Inoue and N. Vinnichenko and J. Lloyd and A. Jordan and M. Heimann and O. Shibistova and R. L. Langenfelds and L. P. Steele and R. J. Francey and A. S. Denning},  title = {{Weak Northern and Strong Tropical Land Carbon Uptake from Vertical Profiles of Atmospheric {CO}2}},  journal = {Science},  }