deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index d1e18ae..5991516 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Dictionaries for Sparse Representation Modeling}},  journal = {Proc. $\lbrace$IEEE$\rbrace$},  }  @Misc{Hel1937,  author = {H. Hellmann},  title = {{Einf{\"u}hrung in die {Q}uantenchemie}},  howpublished = {Leipzig, Frank Deuticke, p. 285},  year = {1937},  }