@article{blass13comcom,
  ibrgroups = "ds",
  ibrauthors = "kurmus",
  author    = {Erik-Oliver Blass and
    Anil Kurmus and
      Refik Molva and
      Thorsten Strufe},
  title     = {PSP: Private and secure payment with RFID},
  journal   = {Computer Communications},
  volume    = {36},
  number    = {4},
  year      = {2013},
  pages     = {468-480},
}