deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index b8d55e3..8eb7b41 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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journal = {http://www.cio.de/a/allianz-mit-einheitlichem-it-system,850779},  year = {2008},  }  @incollection{Lissen_2014,  doi = {10.1007/978-3-662-43473-4_2},  url = {http://dx.doi.org/10.1007/978-3-662-43473-4_2},  year = {2014},  publisher = {Springer Science $\mathplus$ Business Media},  pages = {27--36},  author = {Nina Lissen and Christian Brünger and Stephan Damhorst},  title = {{Risiken beim Cloud-Computing}},  booktitle = {{IT}-Services in der Cloud und {ISAE} 3402},  }