deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index ec8fb96..f573f05 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Long-Term Stability of Planets in Binary Systems}},  journal = {The Astronomical Journal},  }  @incollection{Szebehely_1984,  doi = {10.1007/978-94-009-5331-4_7},  url = {http://dx.doi.org/10.1007/978-94-009-5331-4_7},  year = {1984},  publisher = {Springer Science $\mathplus$ Business Media},  pages = {49--64},  author = {Victor Szebehely},  title = {{Review of Concepts of Stability}},  booktitle = {The Stability of Planetary Systems},  }