@article{1039,
  author = {Mohamed Mahmoud and Jelena Mišic and Kemal Akkaya and Xuemin Shen},
  title = {Investigating public-key certificate revocation in smart grid},
  year = {2015},
  journal = {IEEE Internet of Things Journal},
  volume = {2},
  number = {6},
  pages = {490-503},
  publisher = {IEEE},
}