LiM06'

@article{DBLP:journals/ijisec/LiM06,
  author    = {Ninghui Li and
               John C. Mitchell},
  title     = {Understanding SPKI/SDSI using first-order logic},
  journal   = {Int. J. Inf. Sec.},
  volume    = {5},
  number    = {1},
  year      = {2006},
  pages     = {48-64},
  ee        = {http://dx.doi.org/10.1007/s10207-005-0073-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}