1. P. Common, Separation of stochastic processes, in: Proc. Workshop Higher Order Spectral Anal., Vail, CO, June 1989, pp. 174–179
2. M. Gaeta, J.-L. Lacoume, et al., Source separation without a priori knowledge: The maximum likelihood solution, in: Proc. EUSIPCO, Barcelona, Spain, 1990, pp. 621–624
3. Maternal and foetal ECG separation using blind source separation methods;Zarzoso;IMA J. Math. Appl. Med. Biol.,1997
4. Adaptive algorithm for blind separation from noisy time varying mixtures;Koivunen;Neural Comput.,2001
5. Blind source separation using Renyi's mutual information;Hild;IEEE Signal Proc. Lett.,2001