deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 6005f6a..322d506 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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language = "russian"  }  @BOOK{HAL, @ARTICLE{HAL,  author = "Thibaud Michel, Hassen Fourati, Pierre Geneves, Nabil Layaida",  title = "A Comparative Analysis of Attitude Etimation for Pedestrian Navigation with Smartphones",  publisher = "HAL archives-ouvertes",