title = {Efficient DOA estimation method employing unitary improved polynomial rooting},
  booktitle = {Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing},
  volume = {2},
  year = {2004},
  month = may,
  pages = {ii {\textendash} 257-60 vol.2},
  keywords = {array signal processing, covariance matrices, covariance matrix, direction-of-arrival estimation, high resolution DOA estimation, multiple targets, polynomial matrices, real-valued matrix, sensor array, signal resolution, unitary improved polynomial rooting, unitary transformations},
  author = {Lin, Erwei and Bai, Li and Kam, Moshe}