@ARTICLE{07lzl-tce,
  author = { Zhuo Lu and Linjing Zhao and Jiandong Li},
  title = {Further Results on the {ML} {IFO} Estimation for {OFDM} Systems},
  journal = {IEEE Trans. Consumer Electron.},
  volume = {34},
  number = {2},
  pages = {},
  year = { May 2007}
}