References
- Proc. 17th Asilomar Conf. Spatial smoothing approach for location estimate of coherent sources T.J. Shan;M. Was;T. Kailath
- IEEE Trans. Acoust. Speech, Signal Processing v.ASSP-33 On spatial smoothing for estimation of coherent signals T.J. Shan;M. Wax;T. Kailath
- Array Signal Processing S.U. Pillai