@article{article95a99aae,
title   = {Divacancies in graphene and carbon nanotubes},
author = {Amorin, Rodrigo G and Fazzio, Adalberto and Antonelli, Alex and Novaes, Frederico Dutilh and Silva, Antonio Jose Roque da},
year = {2007},
journal   = {Nano Letters}
}