1. A. Prieto, B. Prieto, C. G. Puntonet, P. M. Smith, A. Cañas, “Geometric separation of linear mixtures of sources: application to speech signals”. First International Congress on Independent Component Analisys and Signal Separation (ICA-99)”, 1999, 11–15 January, Aussois, France.
2. C.G. Puntonet, A. Prieto, C. Jutten, M.R. Alvarez and J. Ortega, “Separation of sources: a geometry-based procedure for reconstruction of n-valued signals”. Signal Processing, 1995, 46, No 3, pp. 267–284.
3. C.G. Puntonet and A. Prieto, “Geometric approach for blind separation of signals”, Electronics Letters, 1997, 33, No. 10, pp. 835–836.
4. C.G. Puntonet and A. Prieto, “Neural net approach for blind separation of sources based on geometric properties”. Neurocomputing, 1998, 18, pp. 141–164.
5. A. Taleb and C. Jutten. Nonlinear source separation: The Post-Nonlinear Mixtures. Proceedings of ESANN'97, 1997, pp. 279–284. D Facto Brussels.