deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index c528b7a..9c2f112 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {1981},  publisher = {Elsevier},  }  @article{terhardt1974pitch,  title = {{Pitch, consonance, and harmony}},  author = {Terhardt, Ernst},  journal = {The Journal of the Acoustical Society of America},  volume = {55},  number = {5},  pages = {1061--1069},  year = {1974},  publisher = {Acoustical Society of America},  }