@inproceedings{fernandez2008free,
  title = {Free-space quantum key distribution link at gigahertz clock rates},
  author = {Fernandez, V and Arroyo, D and Garcia, MJ and Orue, AB},
  booktitle = {QKD Network Demonstration and Conference. Viena. URL http://www. secoqc. net/downloads/abstracts/SECOQC-Fernandez. pdf},
  year = {2008}
}