@article{DBLP:journals/tim/SumathiJ10,
  author    = {P. Sumathi and
               P. A. Janakiraman},
  title     = {SDFT-Based Ultrasonic Range Finder Using AM Continuous Wave
               and Online Parameter Estimation},
  journal   = {IEEE T. Instrumentation and Measurement},
  volume    = {59},
  number    = {8},
  year      = {2010},
  pages     = {1994-2004},
  ee        = {http://dx.doi.org/10.1109/TIM.2009.2032881},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}