@inproceedings{pbft,
  author    = {Miguel Castro and
               Barbara Liskov},
  title     = {Practical byzantine fault tolerance},
  booktitle = {Proc. of the 3rd Symposium on Operating Systems Design and Implementation
               (OSDI'99)},
  publisher = {USENIX Association},
  address   = {New Orleans, USA},
  month     = feb,
  year      = {1999},
  pdfurl    = "http://www.disi.unitn.it/~montreso/ds/syllabus/papers/pbft.pdf"
}