deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index c27cb55..bf12e07 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
}  @article{KING_HUBBERT_1959, @article{Hubbert and Rubey_1959,  doi = {10.1130/0016-7606(1959)70[115:rofpim]2.0.co;2},  url = {http://dx.doi.org/10.1130/0016-7606(1959)70[115:rofpim]2.0.co;2},  year = {1959},