deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 25fc994..ba12526 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Introduction to Algorithms}},  journal = {The Journal of the Operational Research Society},  }  @article{Prim_1957,  doi = {10.1002/j.1538-7305.1957.tb01515.x},  url = {http://dx.doi.org/10.1002/j.1538-7305.1957.tb01515.x},  year = {1957},  month = {nov},  publisher = {Institute of Electrical {\&} Electronics Engineers ({IEEE})},  volume = {36},  number = {6},  pages = {1389--1401},  author = {R. C. Prim},  title = {{Shortest Connection Networks And Some Generalizations}},  journal = {Bell System Technical Journal},  }