deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 53a30d9..6fa17a1 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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source = {Nat Rev Microbiol},  authors = {Battin, TJ and Sloan, WT and Kjelleberg, S and Daims, H and Head, IM and Curtis, TP and Eberl, L},  author = {Battin, TJ and Sloan, WT and Kjelleberg, S and Daims, H and Head, IM and Curtis, TP and Eberl, L},  year = {}, {2007},  month = {},  jounal = {Nat Rev Microbiol},  volume = {5}, 
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source = {Appl Environ Microbiol},  authors = {Besemer, K and Singer, G and Hödl, I and Battin, TJ},  author = {Besemer, K and Singer, G and Hödl, I and Battin, TJ},  year = {}, {2009},  month = {},  jounal = {Appl Environ Microbiol},  volume = {75},