@Inproceedings{ Haas99-WCNC,
  author = {Z. J. Haas and J. Deng},
  title = {Dual Busy Tone Multiple Access ({DBTMA}) - Performance Results},
  booktitle = {Proc. of IEEE Wireless Communications and Networking Conference (WCNC '99)},
  month = {September 21-24},
  year = {1999},
  pages = {1328-1332},
  volume = {3},
  address = {New Orleans, LA, USA} }