@Inproceedings{ Haas99-VTC,
  author = {Z. J. Haas and J. Deng},
  title = {Dual Busy Tone Multiple Access ({DBTMA}) - Performance Evaluation},
  booktitle = {Proc. of IEEE 49th Vehicular Technology Conference (VTC '99)},
  month = {May 16-20},
  year = {1999},
  pages = {314-319},
  volume = {1},
  address = {Houston, TX, USA} }