@article{PSN-WC-12,
  author = {Shengling Wang and Min Liu and Xiuzhen Cheng and Min Song},
  title = {Routing in Pocket Switched Networks},
  journal = {IEEE Wireless Communications},
  volume = {19},
  number = {1},
  pages = {67-73},
  month = {February},
  year = {2012},
}