@inproceedings{DBLP:conf/aina/KimKLCK06,
  author    = {Il-Gon Kim and
               Hyun Seok Kim and
               Ji-Yeon Lee and
               Jin-Young Choi and
               Inhye Kang},
  title     = {Secrecy Analysis of Purchase Transaction in Electronic Purses},
  booktitle = {AINA (1)},
  year      = {2006},
  pages     = {979-984},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/AINA.2006.296},
  crossref  = {DBLP:conf/aina/2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/aina/2006,
  title     = {20th International Conference on Advanced Information Networking
               and Applications (AINA 2006), 18-20 April 2006, Vienna,
               Austria},
  booktitle = {AINA},
  publisher = {IEEE Computer Society},
  year      = {2006},
  isbn      = {0-7695-2466-4},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}