deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index bc91e97..0d5e8ee 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Two paradigms of population regulation}},  journal = {Wildlife Research},  }  @article{Croxall_1992,  doi = {10.1098/rstb.1992.0152},  url = {http://dx.doi.org/10.1098/rstb.1992.0152},  year = {1992},  month = {nov},  publisher = {The Royal Society},  volume = {338},  number = {1285},  pages = {319--328},  author = {J. P. Croxall and T. Callaghan and R. Cervellati and D. W. H. Walton},  title = {{Southern Ocean Environmental Changes: Effects on Seabird Seal and Whale Populations [and Discussion]}},  journal = {Philosophical Transactions of the Royal Society B: Biological Sciences},  }