@article{zhang2012fast,
  title={Fast implementation of sparse iterative covariance-based estimation for source localization},
  author={Zhang, Qilin and Abeida, Habti and Xue, Ming and Rowe, William and Li, Jian},
  journal={The Journal of the Acoustical Society of America},
  volume={131},
  number={2},
  pages={1249--1259},
  year={2012},
  publisher={Acoustical Society of America}
}