@Inproceedings{ Lin19-SECON,
  author = {Chi Lin and Chunyang Guo and Wan Du and Jing Deng and Lei
  Wang and Guowei Wu},
  title = {Maximizing Energy Efficiency of Period-Area Coverage with {UAVs} for
Wireless Rechargeable Sensor Networks},
  booktitle = {Proc. of the 16th IEEE International Conference on
  Sensing, Communication, and Networks (SECON '19)},
  month = {June 10-13},
  year = {2019},
  pages = {1-9},
  volume = {},
  address = {Boston, MA, USA},
  doi = {10.1109/SAHCN.2019.8824918}
}